text: /* ioctl() (mostly Linux Wireless Extensions) routines for Host AP driver */
  
  #include <linux/types.h>
  #include <linux/ethtool.h>
  #include <net/ieee80211_crypt.h>
  
  #include "hostap_wlan.h"
  #include "hostap.h"
  #include "hostap_ap.h"
  
  static struct iw_statistics *hostap_get_wireless_stats(struct net_device *dev)
  {
  	struct hostap_interface *iface;
  	local_info_t *local;
  	struct iw_statistics *wstats;
  
  	iface = netdev_priv(dev);
  	local = iface->local;
  
  	/* Why are we doing that ? Jean II */
  	if (iface->type != HOSTAP_INTERFACE_MAIN)
  		return NULL;
  
  	wstats = &local->wstats;
  
  	wstats->status = 0;
  	wstats->discard.code =
  		local->comm_tallies.rx_discards_wep_undecryptable;
  	wstats->discard.misc =
  		local->comm_tallies.rx_fcs_errors +
  		local->comm_tallies.rx_discards_no_buffer +
  		local->comm_tallies.tx_discards_wrong_sa;
  
  	wstats->discard.retries =
  		local->comm_tallies.tx_retry_limit_exceeded;
  	wstats->discard.fragment =
  		local->comm_tallies.rx_message_in_bad_msg_fragments;
  
  	if (local->iw_mode != IW_MODE_MASTER &&
  	    local->iw_mode != IW_MODE_REPEAT) {
  		int update = 1;
  #ifdef in_atomic
  		/* RID reading might sleep and it must not be called in
  		 * interrupt context or while atomic. However, this
  		 * function seems to be called while atomic (at least in Linux
  		 * 2.5.59). Update signal quality values only if in suitable
  		 * context. Otherwise, previous values read from tick timer
  		 * will be used. */
  		if (in_atomic())
  			update = 0;
  #endif /* in_atomic */
  
  		if (update && prism2_update_comms_qual(dev) == 0)
  			wstats->qual.updated = IW_QUAL_ALL_UPDATED |
  				IW_QUAL_DBM;
  
  		wstats->qual.qual = local->comms_qual;
  		wstats->qual.level = local->avg_signal;
  		wstats->qual.noise = local->avg_noise;
  	} else {
  		wstats->qual.qual = 0;
  		wstats->qual.level = 0;
  		wstats->qual.noise = 0;
  		wstats->qual.updated = IW_QUAL_ALL_INVALID;
  	}
  
  	return wstats;
  }
  
  
  static int prism2_get_datarates(struct net_device *dev, u8 *rates)
  {
  	struct hostap_interface *iface;
  	local_info_t *local;
  	u8 buf[12];
  	int len;
  	u16 val;
  
  	iface = netdev_priv(dev);
  	local = iface->local;
  
  	len = local->func->get_rid(dev, HFA384X_RID_SUPPORTEDDATARATES, buf,
  				   sizeof(buf), 0);
  	if (len < 2)
  		return 0;
  
  	val = le16_to_cpu(*(u16 *) buf); /* string length */
  
  	if (len - 2 < val || val > 10)
  		return 0;
  
  	memcpy(rates, buf + 2, val);
  	return val;
  }
  
  
  static int prism2_get_name(struct net_device *dev,
  			   struct iw_request_info *info,
  			   char *name, char *extra)
  {
  	u8 rates[10];
  	int len, i, over2 = 0;
  
  	len = prism2_get_datarates(dev, rates);
  
  	for (i = 0; i < len; i++) {
  		if (rates[i] == 0x0b || rates[i] == 0x16) {
  			over2 = 1;
  			break;
  		}
  	}
  
  	strcpy(name, over2 ? "IEEE 802.11b" : "IEEE 802.11-DS");
  
  	return 0;
  }
  
  
  static void prism2_crypt_delayed_deinit(local_info_t *local,
  					struct ieee80211_crypt_data **crypt)
  {
  	struct ieee80211_crypt_data *tmp;
  	unsigned long flags;
  
  	tmp = *crypt;
  	*crypt = NULL;
  
  	if (tmp == NULL)
  		return;
  
  	/* must not run ops->deinit() while there may be pending encrypt or
  	 * decrypt operations. Use a list of delayed deinits to avoid needing
  	 * locking. */
  
  	spin_lock_irqsave(&local->lock, flags);
  	list_add(&tmp->list, &local->crypt_deinit_list);
  	if (!timer_pending(&local->crypt_deinit_timer)) {
  		local->crypt_deinit_timer.expires = jiffies + HZ;
  		add_timer(&local->crypt_deinit_timer);
  	}
  	spin_unlock_irqrestore(&local->lock, flags);
  }
  
  
  static int prism2_ioctl_siwencode(struct net_device *dev,
  				  struct iw_request_info *info,
  				  struct iw_point *erq, char *keybuf)
  {
  	struct hostap_interface *iface;
  	local_info_t *local;
  	int i;
  	struct ieee80211_crypt_data **crypt;
  
  	iface = netdev_priv(dev);
  	local = iface->local;
  
  	i = erq->flags & IW_ENCODE_INDEX;
  	if (i < 1 || i > 4)
  		i = local->tx_keyidx;
  	else
  		i--;
  	if (i < 0 || i >= WEP_KEYS)
  		return -EINVAL;
  
  	crypt = &local->crypt[i];
  
  	if (erq->flags & IW_ENCODE_DISABLED) {
  		if (*crypt)
  			prism2_crypt_delayed_deinit(local, crypt);
  		goto done;
  	}
  
  	if (*crypt != NULL && (*crypt)->ops != NULL &&
  	    strcmp((*crypt)->ops->name, "WEP") != 0) {
  		/* changing to use WEP; deinit previously used algorithm */
  		prism2_crypt_delayed_deinit(local, crypt);
  	}
  
  	if (*crypt == NULL) {
  		struct ieee80211_crypt_data *new_crypt;
  
  		/* take WEP into use */
  		new_crypt = kzalloc(sizeof(struct ieee80211_crypt_data),
  				GFP_KERNEL);
  		if (new_crypt == NULL)
  			return -ENOMEM;
  		new_crypt->ops = ieee80211_get_crypto_ops("WEP");
  		if (!new_crypt->ops) {
  			request_module("ieee80211_crypt_wep");
  			new_crypt->ops = ieee80211_get_crypto_ops("WEP");
  		}
  		if (new_crypt->ops)
  			new_crypt->priv = new_crypt->ops->init(i);
  		if (!new_crypt->ops || !new_crypt->priv) {
  			kfree(new_crypt);
  			new_crypt = NULL;
  
  			printk(KERN_WARNING "%s: could not initialize WEP: "
  			       "load module hostap_crypt_wep.o\n",
  			       dev->name);
  			return -EOPNOTSUPP;
  		}
  		*crypt = new_crypt;
  	}
  
  	if (erq->length > 0) {
  		int len = erq->length <= 5 ? 5 : 13;
  		int first = 1, j;
  		if (len > erq->length)
  			memset(keybuf + erq->length, 0, len - erq->length);
  		(*crypt)->ops->set_key(keybuf, len, NULL, (*crypt)->priv);
  		for (j = 0; j < WEP_KEYS; j++) {
  			if (j != i && local->crypt[j]) {
  				first = 0;
  				break;
  			}
  		}
  		if (first)
  			local->tx_keyidx = i;
  	} else {
  		/* No key data - just set the default TX key index */
  		local->tx_keyidx = i;
  	}
  
   done:
  	local->open_wep = erq->flags & IW_ENCODE_OPEN;
  
  	if (hostap_set_encryption(local)) {
  		printk(KERN_DEBUG "%s: set_encryption failed\n", dev->name);
  		return -EINVAL;
  	}
  
  	/* Do not reset port0 if card is in Managed mode since resetting will
  	 * generate new IEEE 802.11 authentication which may end up in looping
  	 * with IEEE 802.1X. Prism2 documentation seem to require port reset
  	 * after WEP configuration. However, keys are apparently changed at
  	 * least in Managed mode. */
  	if (local->iw_mode != IW_MODE_INFRA && local->func->reset_port(dev)) {
  		printk(KERN_DEBUG "%s: reset_port failed\n", dev->name);
  		return -EINVAL;
  	}
  
  	return 0;
  }
  
  
  static int prism2_ioctl_giwencode(struct net_device *dev,
  				  struct iw_request_info *info,
  				  struct iw_point *erq, char *key)
  {
  	struct hostap_interface *iface;
  	local_info_t *local;
  	int i, len;
  	u16 val;
  	struct ieee80211_crypt_data *crypt;
  
  	iface = netdev_priv(dev);
  	local = iface->local;
  
  	i = erq->flags & IW_ENCODE_INDEX;
  	if (i < 1 || i > 4)
  		i = local->tx_keyidx;
  	else
  		i--;
  	if (i < 0 || i >= WEP_KEYS)
  		return -EINVAL;
  
  	crypt = local->crypt[i];
  	erq->flags = i + 1;
  
  	if (crypt == NULL || crypt->ops == NULL) {
  		erq->length = 0;
  		erq->flags |= IW_ENCODE_DISABLED;
  		return 0;
  	}
  
  	if (strcmp(crypt->ops->name, "WEP") != 0) {
  		/* only WEP is supported with wireless extensions, so just
  		 * report that encryption is used */
  		erq->length = 0;
  		erq->flags |= IW_ENCODE_ENABLED;
  		return 0;
  	}
  
  	/* Reads from HFA384X_RID_CNFDEFAULTKEY* return bogus values, so show
  	 * the keys from driver buffer */
  	len = crypt->ops->get_key(key, WEP_KEY_LEN, NULL, crypt->priv);
  	erq->length = (len >= 0 ? len : 0);
  
  	if (local->func->get_rid(dev, HFA384X_RID_CNFWEPFLAGS, &val, 2, 1) < 0)
  	{
  		printk("CNFWEPFLAGS reading failed\n");
  		return -EOPNOTSUPP;
  	}
  	le16_to_cpus(&val);
  	if (val & HFA384X_WEPFLAGS_PRIVACYINVOKED)
  		erq->flags |= IW_ENCODE_ENABLED;
  	else
  		erq->flags |= IW_ENCODE_DISABLED;
  	if (val & HFA384X_WEPFLAGS_EXCLUDEUNENCRYPTED)
  		erq->flags |= IW_ENCODE_RESTRICTED;
  	else
  		erq->flags |= IW_ENCODE_OPEN;
  
  	return 0;
  }
  
  
  static int hostap_set_rate(struct net_device *dev)
  {
  	struct hostap_interface *iface;
  	local_info_t *local;
  	int ret, basic_rates;
  
  	iface = netdev_priv(dev);
  	local = iface->local;
  
  	basic_rates = local->basic_rates & local->tx_rate_control;
  	if (!basic_rates || basic_rates != local->basic_rates) {
  		printk(KERN_INFO "%s: updating basic rate set automatically "
  		       "to match with the new supported rate set\n",
  		       dev->name);
  		if (!basic_rates)
  			basic_rates = local->tx_rate_control;
  
  		local->basic_rates = basic_rates;
  		if (hostap_set_word(dev, HFA384X_RID_CNFBASICRATES,
  				    basic_rates))
  			printk(KERN_WARNING "%s: failed to set "
  			       "cnfBasicRates\n", dev->name);
  	}
  
  	ret = (hostap_set_word(dev, HFA384X_RID_TXRATECONTROL,
  			       local->tx_rate_control) ||
  	       hostap_set_word(dev, HFA384X_RID_CNFSUPPORTEDRATES,
  			       local->tx_rate_control) ||
  	       local->func->reset_port(dev));
  
  	if (ret) {
  		printk(KERN_WARNING "%s: TXRateControl/cnfSupportedRates "
  		       "setting to 0x%x failed\n",
  		       dev->name, local->tx_rate_control);
  	}
  
  	/* Update TX rate configuration for all STAs based on new operational
  	 * rate set. */
  	hostap_update_rates(local);
  
  	return ret;
  }
  
  
  static int prism2_ioctl_siwrate(struct net_device *dev,
  				struct iw_request_info *info,
  				struct iw_param *rrq, char *extra)
  {
  	struct hostap_interface *iface;
  	local_info_t *local;
  
  	iface = netdev_priv(dev);
  	local = iface->local;
  
  	if (rrq->fixed) {
  		switch (rrq->value) {
  		case 11000000:
  			local->tx_rate_control = HFA384X_RATES_11MBPS;
  			break;
  		case 5500000:
  			local->tx_rate_control = HFA384X_RATES_5MBPS;
  			break;
  		case 2000000:
  			local->tx_rate_control = HFA384X_RATES_2MBPS;
  			break;
  		case 1000000:
  			local->tx_rate_control = HFA384X_RATES_1MBPS;
  			break;
  		default:
  			local->tx_rate_control = HFA384X_RATES_1MBPS |
  				HFA384X_RATES_2MBPS | HFA384X_RATES_5MBPS |
  				HFA384X_RATES_11MBPS;
  			break;
  		}
  	} else {
  		switch (rrq->value) {
  		case 11000000:
  			local->tx_rate_control = HFA384X_RATES_1MBPS |
  				HFA384X_RATES_2MBPS | HFA384X_RATES_5MBPS |
  				HFA384X_RATES_11MBPS;
  			break;
  		case 5500000:
  			local->tx_rate_control = HFA384X_RATES_1MBPS |
  				HFA384X_RATES_2MBPS | HFA384X_RATES_5MBPS;
  			break;
  		case 2000000:
  			local->tx_rate_control = HFA384X_RATES_1MBPS |
  				HFA384X_RATES_2MBPS;
  			break;
  		case 1000000:
  			local->tx_rate_control = HFA384X_RATES_1MBPS;
  			break;
  		default:
  			local->tx_rate_control = HFA384X_RATES_1MBPS |
  				HFA384X_RATES_2MBPS | HFA384X_RATES_5MBPS |
  				HFA384X_RATES_11MBPS;
  			break;
  		}
  	}
  
  	return hostap_set_rate(dev);
  }
  
  
  static int prism2_ioctl_giwrate(struct net_device *dev,
  				struct iw_request_info *info,
  				struct iw_param *rrq, char *extra)
  {
  	u16 val;
  	struct hostap_interface *iface;
  	local_info_t *local;
  	int ret = 0;
  
  	iface = netdev_priv(dev);
  	local = iface->local;
  
  	if (local->func->get_rid(dev, HFA384X_RID_TXRATECONTROL, &val, 2, 1) <
  	    0)
  		return -EINVAL;
  
  	if ((val & 0x1) && (val > 1))
  		rrq->fixed = 0;
  	else
  		rrq->fixed = 1;
  
  	if (local->iw_mode == IW_MODE_MASTER && local->ap != NULL &&
  	    !local->fw_tx_rate_control) {
  		/* HFA384X_RID_CURRENTTXRATE seems to always be 2 Mbps in
  		 * Host AP mode, so use the recorded TX rate of the last sent
  		 * frame */
  		rrq->value = local->ap->last_tx_rate > 0 ?
  			local->ap->last_tx_rate * 100000 : 11000000;
  		return 0;
  	}
  
  	if (local->func->get_rid(dev, HFA384X_RID_CURRENTTXRATE, &val, 2, 1) <
  	    0)
  		return -EINVAL;
  
  	switch (val) {
  	case HFA384X_RATES_1MBPS:
  		rrq->value = 1000000;
  		break;
  	case HFA384X_RATES_2MBPS:
  		rrq->value = 2000000;
  		break;
  	case HFA384X_RATES_5MBPS:
  		rrq->value = 5500000;
  		break;
  	case HFA384X_RATES_11MBPS:
  		rrq->value = 11000000;
  		break;
  	default:
  		/* should not happen */
  		rrq->value = 11000000;
  		ret = -EINVAL;
  		break;
  	}
  
  	return ret;
  }
  
  
  static int prism2_ioctl_siwsens(struct net_device *dev,
  				struct iw_request_info *info,
  				struct iw_param *sens, char *extra)
  {
  	struct hostap_interface *iface;
  	local_info_t *local;
  
  	iface = netdev_priv(dev);
  	local = iface->local;
  
  	/* Set the desired AP density */
  	if (sens->value < 1 || sens->value > 3)
  		return -EINVAL;
  
  	if (hostap_set_word(dev, HFA384X_RID_CNFSYSTEMSCALE, sens->value) ||
  	    local->func->reset_port(dev))
  		return -EINVAL;
  
  	return 0;
  }
  
  static int prism2_ioctl_giwsens(struct net_device *dev,
  				struct iw_request_info *info,
  				struct iw_param *sens, char *extra)
  {
  	struct hostap_interface *iface;
  	local_info_t *local;
  	u16 val;
  
  	iface = netdev_priv(dev);
  	local = iface->local;
  
  	/* Get the current AP density */
  	if (local->func->get_rid(dev, HFA384X_RID_CNFSYSTEMSCALE, &val, 2, 1) <
  	    0)
  		return -EINVAL;
  
  	sens->value = __le16_to_cpu(val);
  	sens->fixed = 1;
  
  	return 0;
  }
  
  
  /* Deprecated in new wireless extension API */
  static int prism2_ioctl_giwaplist(struct net_device *dev,
  				  struct iw_request_info *info,
  				  struct iw_point *data, char *extra)
  {
  	struct hostap_interface *iface;
  	local_info_t *local;
  	struct sockaddr *addr;
  	struct iw_quality *qual;
  
  	iface = netdev_priv(dev);
  	local = iface->local;
  
  	if (local->iw_mode != IW_MODE_MASTER) {
  		printk(KERN_DEBUG "SIOCGIWAPLIST is currently only supported "
  		       "in Host AP mode\n");
  		data->length = 0;
  		return -EOPNOTSUPP;
  	}
  
  	addr = kmalloc(sizeof(struct sockaddr) * IW_MAX_AP, GFP_KERNEL);
  	qual = kmalloc(sizeof(struct iw_quality) * IW_MAX_AP, GFP_KERNEL);
  	if (addr == NULL || qual == NULL) {
  		kfree(addr);
  		kfree(qual);
  		data->length = 0;
  		return -ENOMEM;
  	}
  
  	data->length = prism2_ap_get_sta_qual(local, addr, qual, IW_MAX_AP, 1);
  
  	memcpy(extra, &addr, sizeof(struct sockaddr) * data->length);
  	data->flags = 1; /* has quality information */
  	memcpy(extra + sizeof(struct sockaddr) * data->length, &qual,
  	       sizeof(struct iw_quality) * data->length);
  
  	kfree(addr);
  	kfree(qual);
  	return 0;
  }
  
  
  static int prism2_ioctl_siwrts(struct net_device *dev,
  			       struct iw_request_info *info,
  			       struct iw_param *rts, char *extra)
  {
  	struct hostap_interface *iface;
  	local_info_t *local;
  	u16 val;
  
  	iface = netdev_priv(dev);
  	local = iface->local;
  
  	if (rts->disabled)
  		val = __constant_cpu_to_le16(2347);
  	else if (rts->value < 0 || rts->value > 2347)
  		return -EINVAL;
  	else
  		val = __cpu_to_le16(rts->value);
  
  	if (local->func->set_rid(dev, HFA384X_RID_RTSTHRESHOLD, &val, 2) ||
  	    local->func->reset_port(dev))
  		return -EINVAL;
  
  	local->rts_threshold = rts->value;
  
  	return 0;
  }
  
  static int prism2_ioctl_giwrts(struct net_device *dev,
  			       struct iw_request_info *info,
  			       struct iw_param *rts, char *extra)
  {
  	struct hostap_interface *iface;
  	local_info_t *local;
  	u16 val;
  
  	iface = netdev_priv(dev);
  	local = iface->local;
  
  	if (local->func->get_rid(dev, HFA384X_RID_RTSTHRESHOLD, &val, 2, 1) <
  	    0)
  		return -EINVAL;
  
  	rts->value = __le16_to_cpu(val);
  	rts->disabled = (rts->value == 2347);
  	rts->fixed = 1;
  
  	return 0;
  }
  
  
  static int prism2_ioctl_siwfrag(struct net_device *dev,
  				struct iw_request_info *info,
  				struct iw_param *rts, char *extra)
  {
  	struct hostap_interface *iface;
  	local_info_t *local;
  	u16 val;
  
  	iface = netdev_priv(dev);
  	local = iface->local;
  
  	if (rts->disabled)
  		val = __constant_cpu_to_le16(2346);
  	else if (rts->value < 256 || rts->value > 2346)
  		return -EINVAL;
  	else
  		val = __cpu_to_le16(rts->value & ~0x1); /* even numbers only */
  
  	local->fragm_threshold = rts->value & ~0x1;
  	if (local->func->set_rid(dev, HFA384X_RID_FRAGMENTATIONTHRESHOLD, &val,
  				 2)
  	    || local->func->reset_port(dev))
  		return -EINVAL;
  
  	return 0;
  }
  
  static int prism2_ioctl_giwfrag(struct net_device *dev,
  				struct iw_request_info *info,
  				struct iw_param *rts, char *extra)
  {
  	struct hostap_interface *iface;
  	local_info_t *local;
  	u16 val;
  
  	iface = netdev_priv(dev);
  	local = iface->local;
  
  	if (local->func->get_rid(dev, HFA384X_RID_FRAGMENTATIONTHRESHOLD,
  				 &val, 2, 1) < 0)
  		return -EINVAL;
  
  	rts->value = __le16_to_cpu(val);
  	rts->disabled = (rts->value == 2346);
  	rts->fixed = 1;
  
  	return 0;
  }
  
  
  #ifndef PRISM2_NO_STATION_MODES
  static int hostap_join_ap(struct net_device *dev)
  {
  	struct hostap_interface *iface;
  	local_info_t *local;
  	struct hfa384x_join_request req;
  	unsigned long flags;
  	int i;
  	struct hfa384x_hostscan_result *entry;
  
  	iface = netdev_priv(dev);
  	local = iface->local;
  
  	memcpy(req.bssid, local->preferred_ap, ETH_ALEN);
  	req.channel = 0;
  
  	spin_lock_irqsave(&local->lock, flags);
  	for (i = 0; i < local->last_scan_results_count; i++) {
  		if (!local->last_scan_results)
  			break;
  		entry = &local->last_scan_results[i];
  		if (memcmp(local->preferred_ap, entry->bssid, ETH_ALEN) == 0) {
  			req.channel = entry->chid;
  			break;
  		}
  	}
  	spin_unlock_irqrestore(&local->lock, flags);
  
  	if (local->func->set_rid(dev, HFA384X_RID_JOINREQUEST, &req,
  				 sizeof(req))) {
  		printk(KERN_DEBUG "%s: JoinRequest " MACSTR
  		       " failed\n",
  		       dev->name, MAC2STR(local->preferred_ap));
  		return -1;
  	}
  
  	printk(KERN_DEBUG "%s: Trying to join BSSID " MACSTR "\n",
  	       dev->name, MAC2STR(local->preferred_ap));
  
  	return 0;
  }
  #endif /* PRISM2_NO_STATION_MODES */
  
  
  static int prism2_ioctl_siwap(struct net_device *dev,
  			      struct iw_request_info *info,
  			      struct sockaddr *ap_addr, char *extra)
  {
  #ifdef PRISM2_NO_STATION_MODES
  	return -EOPNOTSUPP;
  #else /* PRISM2_NO_STATION_MODES */
  	struct hostap_interface *iface;
  	local_info_t *local;
  
  	iface = netdev_priv(dev);
  	local = iface->local;
  
  	memcpy(local->preferred_ap, &ap_addr->sa_data, ETH_ALEN);
  
  	if (local->host_roaming == 1 && local->iw_mode == IW_MODE_INFRA) {
  		struct hfa384x_scan_request scan_req;
  		memset(&scan_req, 0, sizeof(scan_req));
  		scan_req.channel_list = __constant_cpu_to_le16(0x3fff);
  		scan_req.txrate = __constant_cpu_to_le16(HFA384X_RATES_1MBPS);
  		if (local->func->set_rid(dev, HFA384X_RID_SCANREQUEST,
  					 &scan_req, sizeof(scan_req))) {
  			printk(KERN_DEBUG "%s: ScanResults request failed - "
  			       "preferred AP delayed to next unsolicited "
  			       "scan\n", dev->name);
  		}
  	} else if (local->host_roaming == 2 &&
  		   local->iw_mode == IW_MODE_INFRA) {
  		if (hostap_join_ap(dev))
  			return -EINVAL;
  	} else {
  		printk(KERN_DEBUG "%s: Preferred AP (SIOCSIWAP) is used only "
  		       "in Managed mode when host_roaming is enabled\n",
  		       dev->name);
  	}
  
  	return 0;
  #endif /* PRISM2_NO_STATION_MODES */
  }
  
  static int prism2_ioctl_giwap(struct net_device *dev,
  			      struct iw_request_info *info,
  			      struct sockaddr *ap_addr, char *extra)
  {
  	struct hostap_interface *iface;
  	local_info_t *local;
  
  	iface = netdev_priv(dev);
  	local = iface->local;
  
  	ap_addr->sa_family = ARPHRD_ETHER;
  	switch (iface->type) {
  	case HOSTAP_INTERFACE_AP:
  		memcpy(&ap_addr->sa_data, dev->dev_addr, ETH_ALEN);
  		break;
  	case HOSTAP_INTERFACE_STA:
  		memcpy(&ap_addr->sa_data, local->assoc_ap_addr, ETH_ALEN);
  		break;
  	case HOSTAP_INTERFACE_WDS:
  		memcpy(&ap_addr->sa_data, iface->u.wds.remote_addr, ETH_ALEN);
  		break;
  	default:
  		if (local->func->get_rid(dev, HFA384X_RID_CURRENTBSSID,
  					 &ap_addr->sa_data, ETH_ALEN, 1) < 0)
  			return -EOPNOTSUPP;
  
  		/* local->bssid is also updated in LinkStatus handler when in
  		 * station mode */
  		memcpy(local->bssid, &ap_addr->sa_data, ETH_ALEN);
  		break;
  	}
  
  	return 0;
  }
  
  
  static int prism2_ioctl_siwnickn(struct net_device *dev,
  				 struct iw_request_info *info,
  				 struct iw_point *data, char *nickname)
  {
  	struct hostap_interface *iface;
  	local_info_t *local;
  
  	iface = netdev_priv(dev);
  	local = iface->local;
  
  	memset(local->name, 0, sizeof(local->name));
  	memcpy(local->name, nickname, data->length);
  	local->name_set = 1;
  
  	if (hostap_set_string(dev, HFA384X_RID_CNFOWNNAME, local->name) ||
  	    local->func->reset_port(dev))
  		return -EINVAL;
  
  	return 0;
  }
  
  static int prism2_ioctl_giwnickn(struct net_device *dev,
  				 struct iw_request_info *info,
  				 struct iw_point *data, char *nickname)
  {
  	struct hostap_interface *iface;
  	local_info_t *local;
  	int len;
  	char name[MAX_NAME_LEN + 3];
  	u16 val;
  
  	iface = netdev_priv(dev);
  	local = iface->local;
  
  	len = local->func->get_rid(dev, HFA384X_RID_CNFOWNNAME,
  				   &name, MAX_NAME_LEN + 2, 0);
  	val = __le16_to_cpu(*(u16 *) name);
  	if (len > MAX_NAME_LEN + 2 || len < 0 || val > MAX_NAME_LEN)
  		return -EOPNOTSUPP;
  
  	name[val + 2] = '\0';
  	data->length = val + 1;
  	memcpy(nickname, name + 2, val + 1);
  
  	return 0;
  }
  
  
  static int prism2_ioctl_siwfreq(struct net_device *dev,
  				struct iw_request_info *info,
  				struct iw_freq *freq, char *extra)
  {
  	struct hostap_interface *iface;
  	local_info_t *local;
  
  	iface = netdev_priv(dev);
  	local = iface->local;
  
  	/* freq => chan. */
  	if (freq->e == 1 &&
  	    freq->m / 100000 >= freq_list[0] &&
  	    freq->m / 100000 <= freq_list[FREQ_COUNT - 1]) {
  		int ch;
  		int fr = freq->m / 100000;
  		for (ch = 0; ch < FREQ_COUNT; ch++) {
  			if (fr == freq_list[ch]) {
  				freq->e = 0;
  				freq->m = ch + 1;
  				break;
  			}
  		}
  	}
  
  	if (freq->e != 0 || freq->m < 1 || freq->m > FREQ_COUNT ||
  	    !(local->channel_mask & (1 << (freq->m - 1))))
  		return -EINVAL;
  
  	local->channel = freq->m; /* channel is used in prism2_setup_rids() */
  	if (hostap_set_word(dev, HFA384X_RID_CNFOWNCHANNEL, local->channel) ||
  	    local->func->reset_port(dev))
  		return -EINVAL;
  
  	return 0;
  }
  
  static int prism2_ioctl_giwfreq(struct net_device *dev,
  				struct iw_request_info *info,
  				struct iw_freq *freq, char *extra)
  {
  	struct hostap_interface *iface;
  	local_info_t *local;
  	u16 val;
  
  	iface = netdev_priv(dev);
  	local = iface->local;
  
  	if (local->func->get_rid(dev, HFA384X_RID_CURRENTCHANNEL, &val, 2, 1) <
  	    0)
  		return -EINVAL;
  
  	le16_to_cpus(&val);
  	if (val < 1 || val > FREQ_COUNT)
  		return -EINVAL;
  
  	freq->m = freq_list[val - 1] * 100000;
  	freq->e = 1;
  
  	return 0;
  }
  
  
  static void hostap_monitor_set_type(local_info_t *local)
  {
  	struct net_device *dev = local->ddev;
  
  	if (dev == NULL)
  		return;
  
  	if (local->monitor_type == PRISM2_MONITOR_PRISM ||
  	    local->monitor_type == PRISM2_MONITOR_CAPHDR) {
  		dev->type = ARPHRD_IEEE80211_PRISM;
  		dev->hard_header_parse =
  			hostap_80211_prism_header_parse;
  	} else {
  		dev->type = ARPHRD_IEEE80211;
  		dev->hard_header_parse = hostap_80211_header_parse;
  	}
  }
  
  
  static int prism2_ioctl_siwessid(struct net_device *dev,
  				 struct iw_request_info *info,
  				 struct iw_point *data, char *ssid)
  {
  	struct hostap_interface *iface;
  	local_info_t *local;
  
  	iface = netdev_priv(dev);
  	local = iface->local;
  
  	if (iface->type == HOSTAP_INTERFACE_WDS)
  		return -EOPNOTSUPP;
  
  	if (data->flags == 0)
  		ssid[0] = '\0'; /* ANY */
  
  	if (local->iw_mode == IW_MODE_MASTER && ssid[0] == '\0') {
  		/* Setting SSID to empty string seems to kill the card in
  		 * Host AP mode */
  		printk(KERN_DEBUG "%s: Host AP mode does not support "
  		       "'Any' essid\n", dev->name);
  		return -EINVAL;
  	}
  
  	memcpy(local->essid, ssid, data->length);
  	local->essid[data->length] = '\0';
  
  	if ((!local->fw_ap &&
  	     hostap_set_string(dev, HFA384X_RID_CNFDESIREDSSID, local->essid))
  	    || hostap_set_string(dev, HFA384X_RID_CNFOWNSSID, local->essid) ||
  	    local->func->reset_port(dev))
  		return -EINVAL;
  
  	return 0;
  }
  
  static int prism2_ioctl_giwessid(struct net_device *dev,
  				 struct iw_request_info *info,
  				 struct iw_point *data, char *essid)
  {
  	struct hostap_interface *iface;
  	local_info_t *local;
  	u16 val;
  
  	iface = netdev_priv(dev);
  	local = iface->local;
  
  	if (iface->type == HOSTAP_INTERFACE_WDS)
  		return -EOPNOTSUPP;
  
  	data->flags = 1; /* active */
  	if (local->iw_mode == IW_MODE_MASTER) {
  		data->length = strlen(local->essid);
  		memcpy(essid, local->essid, IW_ESSID_MAX_SIZE);
  	} else {
  		int len;
  		char ssid[MAX_SSID_LEN + 2];
  		memset(ssid, 0, sizeof(ssid));
  		len = local->func->get_rid(dev, HFA384X_RID_CURRENTSSID,
  					   &ssid, MAX_SSID_LEN + 2, 0);
  		val = __le16_to_cpu(*(u16 *) ssid);
  		if (len > MAX_SSID_LEN + 2 || len < 0 || val > MAX_SSID_LEN) {
  			return -EOPNOTSUPP;
  		}
  		data->length = val;
  		memcpy(essid, ssid + 2, IW_ESSID_MAX_SIZE);
  	}
  
  	return 0;
  }
  
  
  static int prism2_ioctl_giwrange(struct net_device *dev,
  				 struct iw_request_info *info,
  				 struct iw_point *data, char *extra)
  {
  	struct hostap_interface *iface;
  	local_info_t *local;
  	struct iw_range *range = (struct iw_range *) extra;
  	u8 rates[10];
  	u16 val;
  	int i, len, over2;
  
  	iface = netdev_priv(dev);
  	local = iface->local;
  
  	data->length = sizeof(struct iw_range);
  	memset(range, 0, sizeof(struct iw_range));
  
  	/* TODO: could fill num_txpower and txpower array with
  	 * something; however, there are 128 different values.. */
  
  	range->txpower_capa = IW_TXPOW_DBM;
  
  	if (local->iw_mode == IW_MODE_INFRA || local->iw_mode == IW_MODE_ADHOC)
  	{
  		range->min_pmp = 1 * 1024;
  		range->max_pmp = 65535 * 1024;
  		range->min_pmt = 1 * 1024;
  		range->max_pmt = 1000 * 1024;
  		range->pmp_flags = IW_POWER_PERIOD;
  		range->pmt_flags = IW_POWER_TIMEOUT;
  		range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT |
  			IW_POWER_UNICAST_R | IW_POWER_ALL_R;
  	}
  
  	range->we_version_compiled = WIRELESS_EXT;
  	range->we_version_source = 18;
  
  	range->retry_capa = IW_RETRY_LIMIT;
  	range->retry_flags = IW_RETRY_LIMIT;
  	range->min_retry = 0;
  	range->max_retry = 255;
  
  	range->num_channels = FREQ_COUNT;
  
  	val = 0;
  	for (i = 0; i < FREQ_COUNT; i++) {
  		if (local->channel_mask & (1 << i)) {
  			range->freq[val].i = i + 1;
  			range->freq[val].m = freq_list[i] * 100000;
  			range->freq[val].e = 1;
  			val++;
  		}
  		if (val == IW_MAX_FREQUENCIES)
  			break;
  	}
  	range->num_frequency = val;
  
  	if (local->sta_fw_ver >= PRISM2_FW_VER(1,3,1)) {
  		range->max_qual.qual = 70; /* what is correct max? This was not
  					    * documented exactly. At least
  					    * 69 has been observed. */
  		range->max_qual.level = 0; /* dB */
  		range->max_qual.noise = 0; /* dB */
  
  		/* What would be suitable values for "average/typical" qual? */
  		range->avg_qual.qual = 20;
  		range->avg_qual.level = -60;
  		range->avg_qual.noise = -95;
  	} else {
  		range->max_qual.qual = 92; /* 0 .. 92 */
  		range->max_qual.level = 154; /* 27 .. 154 */
  		range->max_qual.noise = 154; /* 27 .. 154 */
  	}
  	range->sensitivity = 3;
  
  	range->max_encoding_tokens = WEP_KEYS;
  	range->num_encoding_sizes = 2;
  	range->encoding_size[0] = 5;
  	range->encoding_size[1] = 13;
  
  	over2 = 0;
  	len = prism2_get_datarates(dev, rates);
  	range->num_bitrates = 0;
  	for (i = 0; i < len; i++) {
  		if (range->num_bitrates < IW_MAX_BITRATES) {
  			range->bitrate[range->num_bitrates] =
  				rates[i] * 500000;
  			range->num_bitrates++;
  		}
  		if (rates[i] == 0x0b || rates[i] == 0x16)
  			over2 = 1;
  	}
  	/* estimated maximum TCP throughput values (bps) */
  	range->throughput = over2 ? 5500000 : 1500000;
  
  	range->min_rts = 0;
  	range->max_rts = 2347;
  	range->min_frag = 256;
  	range->max_frag = 2346;
  
  	/* Event capability (kernel + driver) */
  	range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
  				IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
  				IW_EVENT_CAPA_MASK(SIOCGIWAP) |
  				IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
  	range->event_capa[1] = IW_EVENT_CAPA_K_1;
  	range->event_capa[4] = (IW_EVENT_CAPA_MASK(IWEVTXDROP) |
  				IW_EVENT_CAPA_MASK(IWEVCUSTOM) |
  				IW_EVENT_CAPA_MASK(IWEVREGISTERED) |
  				IW_EVENT_CAPA_MASK(IWEVEXPIRED));
  
  	range->enc_capa = IW_ENC_CAPA_WPA | IW_ENC_CAPA_WPA2 |
  		IW_ENC_CAPA_CIPHER_TKIP | IW_ENC_CAPA_CIPHER_CCMP;
  
  	return 0;
  }
  
  
  static int hostap_monitor_mode_enable(local_info_t *local)
  {
  	struct net_device *dev = local->dev;
  
  	printk(KERN_DEBUG "Enabling monitor mode\n");
  	hostap_monitor_set_type(local);
  
  	if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE,
  			    HFA384X_PORTTYPE_PSEUDO_IBSS)) {
  		printk(KERN_DEBUG "Port type setting for monitor mode "
  		       "failed\n");
  		return -EOPNOTSUPP;
  	}
  
  	/* Host decrypt is needed to get the IV and ICV fields;
  	 * however, monitor mode seems to remove WEP flag from frame
  	 * control field */
  	if (hostap_set_word(dev, HFA384X_RID_CNFWEPFLAGS,
  			    HFA384X_WEPFLAGS_HOSTENCRYPT |
  			    HFA384X_WEPFLAGS_HOSTDECRYPT)) {
  		printk(KERN_DEBUG "WEP flags setting failed\n");
  		return -EOPNOTSUPP;
  	}
  
  	if (local->func->reset_port(dev) ||
  	    local->func->cmd(dev, HFA384X_CMDCODE_TEST |
  			     (HFA384X_TEST_MONITOR << 8),
  			     0, NULL, NULL)) {
  		printk(KERN_DEBUG "Setting monitor mode failed\n");
  		return -EOPNOTSUPP;
  	}
  
  	return 0;
  }
  
  
  static int hostap_monitor_mode_disable(local_info_t *local)
  {
  	struct net_device *dev = local->ddev;
  
  	if (dev == NULL)
  		return -1;
  
  	printk(KERN_DEBUG "%s: Disabling monitor mode\n", dev->name);
  	dev->type = ARPHRD_ETHER;
  	dev->hard_header_parse = local->saved_eth_header_parse;
  	if (local->func->cmd(dev, HFA384X_CMDCODE_TEST |
  			     (HFA384X_TEST_STOP << 8),
  			     0, NULL, NULL))
  		return -1;
  	return hostap_set_encryption(local);
  }
  
  
  static int prism2_ioctl_siwmode(struct net_device *dev,
  				struct iw_request_info *info,
  				__u32 *mode, char *extra)
  {
  	struct hostap_interface *iface;
  	local_info_t *local;
  	int double_reset = 0;
  
  	iface = netdev_priv(dev);
  	local = iface->local;
  
  	if (*mode != IW_MODE_ADHOC && *mode != IW_MODE_INFRA &&
  	    *mode != IW_MODE_MASTER && *mode != IW_MODE_REPEAT &&
  	    *mode != IW_MODE_MONITOR)
  		return -EOPNOTSUPP;
  
  #ifdef PRISM2_NO_STATION_MODES
  	if (*mode == IW_MODE_ADHOC || *mode == IW_MODE_INFRA)
  		return -EOPNOTSUPP;
  #endif /* PRISM2_NO_STATION_MODES */
  
  	if (*mode == local->iw_mode)
  		return 0;
  
  	if (*mode == IW_MODE_MASTER && local->essid[0] == '\0') {
  		printk(KERN_WARNING "%s: empty SSID not allowed in Master "
  		       "mode\n", dev->name);
  		return -EINVAL;
  	}
  
  	if (local->iw_mode == IW_MODE_MONITOR)
  		hostap_monitor_mode_disable(local);
  
  	if ((local->iw_mode == IW_MODE_ADHOC ||
  	     local->iw_mode == IW_MODE_MONITOR) && *mode == IW_MODE_MASTER) {
  		/* There seems to be a firmware bug in at least STA f/w v1.5.6
  		 * that leaves beacon frames to use IBSS type when moving from
  		 * IBSS to Host AP mode. Doing double Port0 reset seems to be
  		 * enough to workaround this. */
  		double_reset = 1;
  	}
  
  	printk(KERN_DEBUG "prism2: %s: operating mode changed "
  	       "%d -> %d\n", dev->name, local->iw_mode, *mode);
  	local->iw_mode = *mode;
  
  	if (local->iw_mode == IW_MODE_MONITOR)
  		hostap_monitor_mode_enable(local);
  	else if (local->iw_mode == IW_MODE_MASTER && !local->host_encrypt &&
  		 !local->fw_encrypt_ok) {
  		printk(KERN_DEBUG "%s: defaulting to host-based encryption as "
  		       "a workaround for firmware bug in Host AP mode WEP\n",
  		       dev->name);
  		local->host_encrypt = 1;
  	}
  
  	if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE,
  			    hostap_get_porttype(local)))
  		return -EOPNOTSUPP;
  
  	if (local->func->reset_port(dev))
  		return -EINVAL;
  	if (double_reset && local->func->reset_port(dev))
  		return -EINVAL;
  
  	if (local->iw_mode != IW_MODE_INFRA && local->iw_mode != IW_MODE_ADHOC)
  	{
  		/* netif_carrier is used only in client modes for now, so make
  		 * sure carrier is on when moving to non-client modes. */
  		netif_carrier_on(local->dev);
  		netif_carrier_on(local->ddev);
  	}
  	return 0;
  }
  
  
  static int prism2_ioctl_giwmode(struct net_device *dev,
  				struct iw_request_info *info,
  				__u32 *mode, char *extra)
  {
  	struct hostap_interface *iface;
  	local_info_t *local;
  
  	iface = netdev_priv(dev);
  	local = iface->local;
  
  	switch (iface->type) {
  	case HOSTAP_INTERFACE_STA:
  		*mode = IW_MODE_INFRA;
  		break;
  	case HOSTAP_INTERFACE_WDS:
  		*mode = IW_MODE_REPEAT;
  		break;
  	default:
  		*mode = local->iw_mode;
  		break;
  	}
  	return 0;
  }
  
  
  static int prism2_ioctl_siwpower(struct net_device *dev,
  				 struct iw_request_info *info,
  				 struct iw_param *wrq, char *extra)
  {
  #ifdef PRISM2_NO_STATION_MODES
  	return -EOPNOTSUPP;
  #else /* PRISM2_NO_STATION_MODES */
  	int ret = 0;
  
  	if (wrq->disabled)
  		return hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 0);
  
  	switch (wrq->flags & IW_POWER_MODE) {
  	case IW_POWER_UNICAST_R:
  		ret = hostap_set_word(dev, HFA384X_RID_CNFMULTICASTRECEIVE, 0);
  		if (ret)
  			return ret;
  		ret = hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 1);
  		if (ret)
  			return ret;
  		break;
  	case IW_POWER_ALL_R:
  		ret = hostap_set_word(dev, HFA384X_RID_CNFMULTICASTRECEIVE, 1);
  		if (ret)
  			return ret;
  		ret = hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 1);
  		if (ret)
  			return ret;
  		break;
  	case IW_POWER_ON:
  		break;
  	default:
  		return -EINVAL;
  	}
  
  	if (wrq->flags & IW_POWER_TIMEOUT) {
  		ret = hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 1);
  		if (ret)
  			return ret;
  		ret = hostap_set_word(dev, HFA384X_RID_CNFPMHOLDOVERDURATION,
  				      wrq->value / 1024);
  		if (ret)
  			return ret;
  	}
  	if (wrq->flags & IW_POWER_PERIOD) {
  		ret = hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 1);
  		if (ret)
  			return ret;
  		ret = hostap_set_word(dev, HFA384X_RID_CNFMAXSLEEPDURATION,
  				      wrq->value / 1024);
  		if (ret)
  			return ret;
  	}
  
  	return ret;
  #endif /* PRISM2_NO_STATION_MODES */
  }
  
  
  static int prism2_ioctl_giwpower(struct net_device *dev,
  				 struct iw_request_info *info,
  				 struct iw_param *rrq, char *extra)
  {
  #ifdef PRISM2_NO_STATION_MODES
  	return -EOPNOTSUPP;
  #else /* PRISM2_NO_STATION_MODES */
  	struct hostap_interface *iface;
  	local_info_t *local;
  	u16 enable, mcast;
  
  	iface = netdev_priv(dev);
  	local = iface->local;
  
  	if (local->func->get_rid(dev, HFA384X_RID_CNFPMENABLED, &enable, 2, 1)
  	    < 0)
  		return -EINVAL;
  
  	if (!__le16_to_cpu(enable)) {
  		rrq->disabled = 1;
  		return 0;
  	}
  
  	rrq->disabled = 0;
  
  	if ((rrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
  		u16 timeout;
  		if (local->func->get_rid(dev,
  					 HFA384X_RID_CNFPMHOLDOVERDURATION,
  					 &timeout, 2, 1) < 0)
  			return -EINVAL;
  
  		rrq->flags = IW_POWER_TIMEOUT;
  		rrq->value = __le16_to_cpu(timeout) * 1024;
  	} else {
  		u16 period;
  		if (local->func->get_rid(dev, HFA384X_RID_CNFMAXSLEEPDURATION,
  					 &period, 2, 1) < 0)
  			return -EINVAL;
  
  		rrq->flags = IW_POWER_PERIOD;
  		rrq->value = __le16_to_cpu(period) * 1024;
  	}
  
  	if (local->func->get_rid(dev, HFA384X_RID_CNFMULTICASTRECEIVE, &mcast,
  				 2, 1) < 0)
  		return -EINVAL;
  
  	if (__le16_to_cpu(mcast))
  		rrq->flags |= IW_POWER_ALL_R;
  	else
  		rrq->flags |= IW_POWER_UNICAST_R;
  
  	return 0;
  #endif /* PRISM2_NO_STATION_MODES */
  }
  
  
  static int prism2_ioctl_siwretry(struct net_device *dev,
  				 struct iw_request_info *info,
  				 struct iw_param *rrq, char *extra)
  {
  	struct hostap_interface *iface;
  	local_info_t *local;
  
  	iface = netdev_priv(dev);
  	local = iface->local;
  
  	if (rrq->disabled)
  		return -EINVAL;
  
  	/* setting retry limits is not supported with the current station
  	 * firmware code; simulate this with alternative retry count for now */
  	if (rrq->flags == IW_RETRY_LIMIT) {
  		if (rrq->value < 0) {
  			/* disable manual retry count setting and use firmware
  			 * defaults */
  			local->manual_retry_count = -1;
  			local->tx_control &= ~HFA384X_TX_CTRL_ALT_RTRY;
  		} else {
  			if (hostap_set_word(dev, HFA384X_RID_CNFALTRETRYCOUNT,
  					    rrq->value)) {
  				printk(KERN_DEBUG "%s: Alternate retry count "
  				       "setting to %d failed\n",
  				       dev->name, rrq->value);
  				return -EOPNOTSUPP;
  			}
  
  			local->manual_retry_count = rrq->value;
  			local->tx_control |= HFA384X_TX_CTRL_ALT_RTRY;
  		}
  		return 0;
  	}
  
  	return -EOPNOTSUPP;
  
  #if 0
  	/* what could be done, if firmware would support this.. */
  
  	if (rrq->flags & IW_RETRY_LIMIT) {
  		if (rrq->flags & IW_RETRY_LONG)
  			HFA384X_RID_LONGRETRYLIMIT = rrq->value;
  		else if (rrq->flags & IW_RETRY_SHORT)
  			HFA384X_RID_SHORTRETRYLIMIT = rrq->value;
  		else {
  			HFA384X_RID_LONGRETRYLIMIT = rrq->value;
  			HFA384X_RID_SHORTRETRYLIMIT = rrq->value;
  		}
  
  	}
  
  	if (rrq->flags & IW_RETRY_LIFETIME) {
  		HFA384X_RID_MAXTRANSMITLIFETIME = rrq->value / 1024;
  	}
  
  	return 0;
  #endif /* 0 */
  }
  
  static int prism2_ioctl_giwretry(struct net_device *dev,
  				 struct iw_request_info *info,
  				 struct iw_param *rrq, char *extra)
  {
  	struct hostap_interface *iface;
  	local_info_t *local;
  	u16 shortretry, longretry, lifetime, altretry;
  
  	iface = netdev_priv(dev);
  	local = iface->local;
  
  	if (local->func->get_rid(dev, HFA384X_RID_SHORTRETRYLIMIT, &shortretry,
  				 2, 1) < 0 ||
  	    local->func->get_rid(dev, HFA384X_RID_LONGRETRYLIMIT, &longretry,
  				 2, 1) < 0 ||
  	    local->func->get_rid(dev, HFA384X_RID_MAXTRANSMITLIFETIME,
  				 &lifetime, 2, 1) < 0)
  		return -EINVAL;
  
  	le16_to_cpus(&shortretry);
  	le16_to_cpus(&longretry);
  	le16_to_cpus(&lifetime);
  
  	rrq->disabled = 0;
  
  	if ((rrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
  		rrq->flags = IW_RETRY_LIFETIME;
  		rrq->value = lifetime * 1024;
  	} else {
  		if (local->manual_retry_count >= 0) {
  			rrq->flags = IW_RETRY_LIMIT;
  			if (local->func->get_rid(dev,
  						 HFA384X_RID_CNFALTRETRYCOUNT,
  						 &altretry, 2, 1) >= 0)
  				rrq->value = le16_to_cpu(altretry);
  			else
  				rrq->value = local->manual_retry_count;
  		} else if ((rrq->flags & IW_RETRY_LONG)) {
  			rrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
  			rrq->value = longretry;
  		} else {
  			rrq->flags = IW_RETRY_LIMIT;
  			rrq->value = shortretry;
  			if (shortretry != longretry)
  				rrq->flags |= IW_RETRY_SHORT;
  		}
  	}
  	return 0;
  }
  
  
  /* Note! This TX power controlling is experimental and should not be used in
   * production use. It just sets raw power register and does not use any kind of
   * feedback information from the measured TX power (CR58). This is now
   * commented out to make sure that it is not used by accident. TX power
   * configuration will be enabled again after proper algorithm using feedback
   * has been implemented. */
  
  #ifdef RAW_TXPOWER_SETTING
  /* Map HFA386x's CR31 to and from dBm with some sort of ad hoc mapping..
   * This version assumes following mapping:
   * CR31 is 7-bit value with -64 to +63 range.
   * -64 is mapped into +20dBm and +63 into -43dBm.
   * This is certainly not an exact mapping for every card, but at least
   * increasing dBm value should correspond to increasing TX power.
   */
  
  static int prism2_txpower_hfa386x_to_dBm(u16 val)
  {
  	signed char tmp;
  
  	if (val > 255)
  		val = 255;
  
  	tmp = val;
  	tmp >>= 2;
  
  	return -12 - tmp;
  }
  
  static u16 prism2_txpower_dBm_to_hfa386x(int val)
  {
  	signed char tmp;
  
  	if (val > 20)
  		return 128;
  	else if (val < -43)
  		return 127;
  
  	tmp = val;
  	tmp = -12 - tmp;
  	tmp <<= 2;
  
  	return (unsigned char) tmp;
  }
  #endif /* RAW_TXPOWER_SETTING */
  
  
  static int prism2_ioctl_siwtxpow(struct net_device *dev,
  				 struct iw_request_info *info,
  				 struct iw_param *rrq, char *extra)
  {
  	struct hostap_interface *iface;
  	local_info_t *local;
  #ifdef RAW_TXPOWER_SETTING
  	char *tmp;
  #endif
  	u16 val;
  	int ret = 0;
  
  	iface = netdev_priv(dev);
  	local = iface->local;
  
  	if (rrq->disabled) {
  		if (local->txpower_type != PRISM2_TXPOWER_OFF) {
  			val = 0xff; /* use all standby and sleep modes */
  			ret = local->func->cmd(dev, HFA384X_CMDCODE_WRITEMIF,
  					       HFA386X_CR_A_D_TEST_MODES2,
  					       &val, NULL);
  			printk(KERN_DEBUG "%s: Turning radio off: %s\n",
  			       dev->name, ret ? "failed" : "OK");
  			local->txpower_type = PRISM2_TXPOWER_OFF;
  		}
  		return (ret ? -EOPNOTSUPP : 0);
  	}
  
  	if (local->txpower_type == PRISM2_TXPOWER_OFF) {
  		val = 0; /* disable all standby and sleep modes */
  		ret = local->func->cmd(dev, HFA384X_CMDCODE_WRITEMIF,
  				       HFA386X_CR_A_D_TEST_MODES2, &val, NULL);
  		printk(KERN_DEBUG "%s: Turning radio on: %s\n",
  		       dev->name, ret ? "failed" : "OK");
  		local->txpower_type = PRISM2_TXPOWER_UNKNOWN;
  	}
  
  #ifdef RAW_TXPOWER_SETTING
  	if (!rrq->fixed && local->txpower_type != PRISM2_TXPOWER_AUTO) {
  		printk(KERN_DEBUG "Setting ALC on\n");
  		val = HFA384X_TEST_CFG_BIT_ALC;
  		local->func->cmd(dev, HFA384X_CMDCODE_TEST |
  				 (HFA384X_TEST_CFG_BITS << 8), 1, &val, NULL);
  		local->txpower_type = PRISM2_TXPOWER_AUTO;
  		return 0;
  	}
  
  	if (local->txpower_type != PRISM2_TXPOWER_FIXED) {
  		printk(KERN_DEBUG "Setting ALC off\n");
  		val = HFA384X_TEST_CFG_BIT_ALC;
  		local->func->cmd(dev, HFA384X_CMDCODE_TEST |
  				 (HFA384X_TEST_CFG_BITS << 8), 0, &val, NULL);
  			local->txpower_type = PRISM2_TXPOWER_FIXED;
  	}
  
  	if (rrq->flags == IW_TXPOW_DBM)
  		tmp = "dBm";
  	else if (rrq->flags == IW_TXPOW_MWATT)
  		tmp = "mW";
  	else
  		tmp = "UNKNOWN";
  	printk(KERN_DEBUG "Setting TX power to %d %s\n", rrq->value, tmp);
  
  	if (rrq->flags != IW_TXPOW_DBM) {
  		printk("SIOCSIWTXPOW with mW is not supported; use dBm\n");
  		return -EOPNOTSUPP;
  	}
  
  	local->txpower = rrq->value;
  	val = prism2_txpower_dBm_to_hfa386x(local->txpower);
  	if (local->func->cmd(dev, HFA384X_CMDCODE_WRITEMIF,
  			     HFA386X_CR_MANUAL_TX_POWER, &val, NULL))
  		ret = -EOPNOTSUPP;
  #else /* RAW_TXPOWER_SETTING */
  	if (rrq->fixed)
  		ret = -EOPNOTSUPP;
  #endif /* RAW_TXPOWER_SETTING */
  
  	return ret;
  }
  
  static int prism2_ioctl_giwtxpow(struct net_device *dev,
  				 struct iw_request_info *info,
  				 struct iw_param *rrq, char *extra)
  {
  #ifdef RAW_TXPOWER_SETTING
  	struct hostap_interface *iface;
  	local_info_t *local;
  	u16 resp0;
  
  	iface = netdev_priv(dev);
  	local = iface->local;
  
  	rrq->flags = IW_TXPOW_DBM;
  	rrq->disabled = 0;
  	rrq->fixed = 0;
  
  	if (local->txpower_type == PRISM2_TXPOWER_AUTO) {
  		if (local->func->cmd(dev, HFA384X_CMDCODE_READMIF,
  				     HFA386X_CR_MANUAL_TX_POWER,
  				     NULL, &resp0) == 0) {
  			rrq->value = prism2_txpower_hfa386x_to_dBm(resp0);
  		} else {
  			/* Could not get real txpower; guess 15 dBm */
  			rrq->value = 15;
  		}
  	} else if (local->txpower_type == PRISM2_TXPOWER_OFF) {
  		rrq->value = 0;
  		rrq->disabled = 1;
  	} else if (local->txpower_type == PRISM2_TXPOWER_FIXED) {
  		rrq->value = local->txpower;
  		rrq->fixed = 1;
  	} else {
  		printk("SIOCGIWTXPOW - unknown txpower_type=%d\n",
  		       local->txpower_type);
  	}
  	return 0;
  #else /* RAW_TXPOWER_SETTING */
  	return -EOPNOTSUPP;
  #endif /* RAW_TXPOWER_SETTING */
  }
  
  
  #ifndef PRISM2_NO_STATION_MODES
  
  /* HostScan request works with and without host_roaming mode. In addition, it
   * does not break current association. However, it requires newer station
   * firmware version (>= 1.3.1) than scan request. */
  static int prism2_request_hostscan(struct net_device *dev,
  				   u8 *ssid, u8 ssid_len)
  {
  	struct hostap_interface *iface;
  	local_info_t *local;
  	struct hfa384x_hostscan_request scan_req;
  
  	iface = netdev_priv(dev);
  	local = iface->local;
  
  	memset(&scan_req, 0, sizeof(scan_req));
  	scan_req.channel_list = cpu_to_le16(local->channel_mask &
  					    local->scan_channel_mask);
  	scan_req.txrate = __constant_cpu_to_le16(HFA384X_RATES_1MBPS);
  	if (ssid) {
  		if (ssid_len > 32)
  			return -EINVAL;
  		scan_req.target_ssid_len = cpu_to_le16(ssid_len);
  		memcpy(scan_req.target_ssid, ssid, ssid_len);
  	}
  
  	if (local->func->set_rid(dev, HFA384X_RID_HOSTSCAN, &scan_req,
  				 sizeof(scan_req))) {
  		printk(KERN_DEBUG "%s: HOSTSCAN failed\n", dev->name);
  		return -EINVAL;
  	}
  	return 0;
  }
  
  
  static int prism2_request_scan(struct net_device *dev)
  {
  	struct hostap_interface *iface;
  	local_info_t *local;
  	struct hfa384x_scan_request scan_req;
  	int ret = 0;
  
  	iface = netdev_priv(dev);
  	local = iface->local;
  
  	memset(&scan_req, 0, sizeof(scan_req));
  	scan_req.channel_list = cpu_to_le16(local->channel_mask &
  					    local->scan_channel_mask);
  	scan_req.txrate = __constant_cpu_to_le16(HFA384X_RATES_1MBPS);
  
  	/* FIX:
  	 * It seems to be enough to set roaming mode for a short moment to
  	 * host-based and then setup scanrequest data and return the mode to
  	 * firmware-based.
  	 *
  	 * Master mode would need to drop to Managed mode for a short while
  	 * to make scanning work.. Or sweep through the different channels and
  	 * use passive scan based on beacons. */
  
  	if (!local->host_roaming)
  		hostap_set_word(dev, HFA384X_RID_CNFROAMINGMODE,
  				HFA384X_ROAMING_HOST);
  
  	if (local->func->set_rid(dev, HFA384X_RID_SCANREQUEST, &scan_req,
  				 sizeof(scan_req))) {
  		printk(KERN_DEBUG "SCANREQUEST failed\n");
  		ret = -EINVAL;
  	}
  
  	if (!local->host_roaming)
  		hostap_set_word(dev, HFA384X_RID_CNFROAMINGMODE,
  				HFA384X_ROAMING_FIRMWARE);
  
  	return 0;
  }
  
  #else /* !PRISM2_NO_STATION_MODES */
  
  static inline int prism2_request_hostscan(struct net_device *dev,
  					  u8 *ssid, u8 ssid_len)
  {
  	return -EOPNOTSUPP;
  }
  
  
  static inline int prism2_request_scan(struct net_device *dev)
  {
  	return -EOPNOTSUPP;
  }
  
  #endif /* !PRISM2_NO_STATION_MODES */
  
  
  static int prism2_ioctl_siwscan(struct net_device *dev,
  				struct iw_request_info *info,
  				struct iw_point *data, char *extra)
  {
  	struct hostap_interface *iface;
  	local_info_t *local;
  	int ret;
  	u8 *ssid = NULL, ssid_len = 0;
  	struct iw_scan_req *req = (struct iw_scan_req *) extra;
  
  	iface = netdev_priv(dev);
  	local = iface->local;
  
  	if (data->length < sizeof(struct iw_scan_req))
  		req = NULL;
  
  	if (local->iw_mode == IW_MODE_MASTER) {
  		/* In master mode, we just return the results of our local
  		 * tables, so we don't need to start anything...
  		 * Jean II */
  		data->length = 0;
  		return 0;
  	}
  
  	if (!local->dev_enabled)
  		return -ENETDOWN;
  
  	if (req && data->flags & IW_SCAN_THIS_ESSID) {
  		ssid = req->essid;
  		ssid_len = req->essid_len;
  
  		if (ssid_len &&
  		    ((local->iw_mode != IW_MODE_INFRA &&
  		      local->iw_mode != IW_MODE_ADHOC) ||
  		     (local->sta_fw_ver < PRISM2_FW_VER(1,3,1))))
  			return -EOPNOTSUPP;
  	}
  
  	if (local->sta_fw_ver >= PRISM2_FW_VER(1,3,1))
  		ret = prism2_request_hostscan(dev, ssid, ssid_len);
  	else
  		ret = prism2_request_scan(dev);
  
  	if (ret == 0)
  		local->scan_timestamp = jiffies;
  
  	/* Could inquire F101, F103 or wait for SIOCGIWSCAN and read RID */
  
  	return ret;
  }
  
  
  #ifndef PRISM2_NO_STATION_MODES
  static char * __prism2_translate_scan(local_info_t *local,
  				      struct hfa384x_hostscan_result *scan,
  				      struct hostap_bss_info *bss,
  				      char *current_ev, char *end_buf)
  {
  	int i, chan;
  	struct iw_event iwe;
  	char *current_val;
  	u16 capabilities;
  	u8 *pos;
  	u8 *ssid, *bssid;
  	size_t ssid_len;
  	char *buf;
  
  	if (bss) {
  		ssid = bss->ssid;
  		ssid_len = bss->ssid_len;
  		bssid = bss->bssid;
  	} else {
  		ssid = scan->ssid;
  		ssid_len = le16_to_cpu(scan->ssid_len);
  		bssid = scan->bssid;
  	}
  	if (ssid_len > 32)
  		ssid_len = 32;
  
  	/* First entry *MUST* be the AP MAC address */
  	memset(&iwe, 0, sizeof(iwe));
  	iwe.cmd = SIOCGIWAP;
  	iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
  	memcpy(iwe.u.ap_addr.sa_data, bssid, ETH_ALEN);
  	current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe,
  					  IW_EV_ADDR_LEN);
  
  	/* Other entries will be displayed in the order we give them */
  
  	memset(&iwe, 0, sizeof(iwe));
  	iwe.cmd = SIOCGIWESSID;
  	iwe.u.data.length = ssid_len;
  	iwe.u.data.flags = 1;
  	current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, ssid);
  
  	memset(&iwe, 0, sizeof(iwe));
  	iwe.cmd = SIOCGIWMODE;
  	if (bss) {
  		capabilities = bss->capab_info;
  	} else {
  		capabilities = le16_to_cpu(scan->capability);
  	}
  	if (capabilities & (WLAN_CAPABILITY_ESS |
  			    WLAN_CAPABILITY_IBSS)) {
  		if (capabilities & WLAN_CAPABILITY_ESS)
  			iwe.u.mode = IW_MODE_MASTER;
  		else
  			iwe.u.mode = IW_MODE_ADHOC;
  		current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe,
  						  IW_EV_UINT_LEN);
  	}
  
  	memset(&iwe, 0, sizeof(iwe));
  	iwe.cmd = SIOCGIWFREQ;
  	if (scan) {
  		chan = le16_to_cpu(scan->chid);
  	} else if (bss) {
  		chan = bss->chan;
  	} else {
  		chan = 0;
  	}
  
  	if (chan > 0) {
  		iwe.u.freq.m = freq_list[chan - 1] * 100000;
  		iwe.u.freq.e = 1;
  		current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe,
  						  IW_EV_FREQ_LEN);
  	}
  
  	if (scan) {
  		memset(&iwe, 0, sizeof(iwe));
  		iwe.cmd = IWEVQUAL;
  		if (local->last_scan_type == PRISM2_HOSTSCAN) {
  			iwe.u.qual.level = le16_to_cpu(scan->sl);
  			iwe.u.qual.noise = le16_to_cpu(scan->anl);
  		} else {
  			iwe.u.qual.level =
  				HFA384X_LEVEL_TO_dBm(le16_to_cpu(scan->sl));
  			iwe.u.qual.noise =
  				HFA384X_LEVEL_TO_dBm(le16_to_cpu(scan->anl));
  		}
  		iwe.u.qual.updated = IW_QUAL_LEVEL_UPDATED
  			| IW_QUAL_NOISE_UPDATED
  			| IW_QUAL_QUAL_INVALID
  			| IW_QUAL_DBM;
  		current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe,
  						  IW_EV_QUAL_LEN);
  	}
  
  	memset(&iwe, 0, sizeof(iwe));
  	iwe.cmd = SIOCGIWENCODE;
  	if (capabilities & WLAN_CAPABILITY_PRIVACY)
  		iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
  	else
  		iwe.u.data.flags = IW_ENCODE_DISABLED;
  	iwe.u.data.length = 0;
  	current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, "");
  
  	/* TODO: add SuppRates into BSS table */
  	if (scan) {
  		memset(&iwe, 0, sizeof(iwe));
  		iwe.cmd = SIOCGIWRATE;
  		current_val = current_ev + IW_EV_LCP_LEN;
  		pos = scan->sup_rates;
  		for (i = 0; i < sizeof(scan->sup_rates); i++) {
  			if (pos[i] == 0)
  				break;
  			/* Bit rate given in 500 kb/s units (+ 0x80) */
  			iwe.u.bitrate.value = ((pos[i] & 0x7f) * 500000);
  			current_val = iwe_stream_add_value(
  				current_ev, current_val, end_buf, &iwe,
  				IW_EV_PARAM_LEN);
  		}
  		/* Check if we added any event */
  		if ((current_val - current_ev) > IW_EV_LCP_LEN)
  			current_ev = current_val;
  	}
  
  	/* TODO: add BeaconInt,resp_rate,atim into BSS table */
  	buf = kmalloc(MAX_WPA_IE_LEN * 2 + 30, GFP_ATOMIC);
  	if (buf && scan) {
  		memset(&iwe, 0, sizeof(iwe));
  		iwe.cmd = IWEVCUSTOM;
  		sprintf(buf, "bcn_int=%d", le16_to_cpu(scan->beacon_interval));
  		iwe.u.data.length = strlen(buf);
  		current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe,
  						  buf);
  
  		memset(&iwe, 0, sizeof(iwe));
  		iwe.cmd = IWEVCUSTOM;
  		sprintf(buf, "resp_rate=%d", le16_to_cpu(scan->rate));
  		iwe.u.data.length = strlen(buf);
  		current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe,
  						  buf);
  
  		if (local->last_scan_type == PRISM2_HOSTSCAN &&
  		    (capabilities & WLAN_CAPABILITY_IBSS)) {
  			memset(&iwe, 0, sizeof(iwe));
  			iwe.cmd = IWEVCUSTOM;
  			sprintf(buf, "atim=%d", le16_to_cpu(scan->atim));
  			iwe.u.data.length = strlen(buf);
  			current_ev = iwe_stream_add_point(current_ev, end_buf,
  							  &iwe, buf);
  		}
  	}
  	kfree(buf);
  
  	if (bss && bss->wpa_ie_len > 0 && bss->wpa_ie_len <= MAX_WPA_IE_LEN) {
  		memset(&iwe, 0, sizeof(iwe));
  		iwe.cmd = IWEVGENIE;
  		iwe.u.data.length = bss->wpa_ie_len;
  		current_ev = iwe_stream_add_point(
  			current_ev, end_buf, &iwe, bss->wpa_ie);
  	}
  
  	if (bss && bss->rsn_ie_len > 0 && bss->rsn_ie_len <= MAX_WPA_IE_LEN) {
  		memset(&iwe, 0, sizeof(iwe));
  		iwe.cmd = IWEVGENIE;
  		iwe.u.data.length = bss->rsn_ie_len;
  		current_ev = iwe_stream_add_point(
  			current_ev, end_buf, &iwe, bss->rsn_ie);
  	}
  
  	return current_ev;
  }
  
  
  /* Translate scan data returned from the card to a card independant
   * format that the Wireless Tools will understand - Jean II */
  static inline int prism2_translate_scan(local_info_t *local,
  					char *buffer, int buflen)
  {
  	struct hfa384x_hostscan_result *scan;
  	int entry, hostscan;
  	char *current_ev = buffer;
  	char *end_buf = buffer + buflen;
  	struct list_head *ptr;
  
  	spin_lock_bh(&local->lock);
  
  	list_for_each(ptr, &local->bss_list) {
  		struct hostap_bss_info *bss;
  		bss = list_entry(ptr, struct hostap_bss_info, list);
  		bss->included = 0;
  	}
  
  	hostscan = local->last_scan_type == PRISM2_HOSTSCAN;
  	for (entry = 0; entry < local->last_scan_results_count; entry++) {
  		int found = 0;
  		scan = &local->last_scan_results[entry];
  
  		/* Report every SSID if the AP is using multiple SSIDs. If no
  		 * BSS record is found (e.g., when WPA mode is disabled),
  		 * report the AP once. */
  		list_for_each(ptr, &local->bss_list) {
  			struct hostap_bss_info *bss;
  			bss = list_entry(ptr, struct hostap_bss_info, list);
  			if (memcmp(bss->bssid, scan->bssid, ETH_ALEN) == 0) {
  				bss->included = 1;
  				current_ev = __prism2_translate_scan(
  					local, scan, bss, current_ev, end_buf);
  				found++;
  			}
  		}
  		if (!found) {
  			current_ev = __prism2_translate_scan(
  				local, scan, NULL, current_ev, end_buf);
  		}
  		/* Check if there is space for one more entry */
  		if ((end_buf - current_ev) <= IW_EV_ADDR_LEN) {
  			/* Ask user space to try again with a bigger buffer */
  			spin_unlock_bh(&local->lock);
  			return -E2BIG;
  		}
  	}
  
  	/* Prism2 firmware has limits (32 at least in some versions) for number
  	 * of BSSes in scan results. Extend this limit by using local BSS list.
  	 */
  	list_for_each(ptr, &local->bss_list) {
  		struct hostap_bss_info *bss;
  		bss = list_entry(ptr, struct hostap_bss_info, list);
  		if (bss->included)
  			continue;
  		current_ev = __prism2_translate_scan(local, NULL, bss,
  						     current_ev, end_buf);
  		/* Check if there is space for one more entry */
  		if ((end_buf - current_ev) <= IW_EV_ADDR_LEN) {
  			/* Ask user space to try again with a bigger buffer */
  			spin_unlock_bh(&local->lock);
  			return -E2BIG;
  		}
  	}
  
  	spin_unlock_bh(&local->lock);
  
  	return current_ev - buffer;
  }
  #endif /* PRISM2_NO_STATION_MODES */
  
  
  static inline int prism2_ioctl_giwscan_sta(struct net_device *dev,
  					   struct iw_request_info *info,
  					   struct iw_point *data, char *extra)
  {
  #ifdef PRISM2_NO_STATION_MODES
  	return -EOPNOTSUPP;
  #else /* PRISM2_NO_STATION_MODES */
  	struct hostap_interface *iface;
  	local_info_t *local;
  	int res;
  
  	iface = netdev_priv(dev);
  	local = iface->local;
  
  	/* Wait until the scan is finished. We can probably do better
  	 * than that - Jean II */
  	if (local->scan_timestamp &&
  	    time_before(jiffies, local->scan_timestamp + 3 * HZ)) {
  		/* Important note : we don't want to block the caller
  		 * until results are ready for various reasons.
  		 * First, managing wait queues is complex and racy
  		 * (there may be multiple simultaneous callers).
  		 * Second, we grab some rtnetlink lock before comming
  		 * here (in dev_ioctl()).
  		 * Third, the caller can wait on the Wireless Event
  		 * - Jean II */
  		return -EAGAIN;
  	}
  	local->scan_timestamp = 0;
  
  	res = prism2_translate_scan(local, extra, data->length);
  
  	if (res >= 0) {
  		data->length = res;
  		return 0;
  	} else {
  		data->length = 0;
  		return res;
  	}
  #endif /* PRISM2_NO_STATION_MODES */
  }
  
  
  static int prism2_ioctl_giwscan(struct net_device *dev,
  				struct iw_request_info *info,
  				struct iw_point *data, char *extra)
  {
  	struct hostap_interface *iface;
  	local_info_t *local;
  	int res;
  
  	iface = netdev_priv(dev);
  	local = iface->local;
  
  	if (local->iw_mode == IW_MODE_MASTER) {
  		/* In MASTER mode, it doesn't make sense to go around
  		 * scanning the frequencies and make the stations we serve
  		 * wait when what the user is really interested about is the
  		 * list of stations and access points we are talking to.
  		 * So, just extract results from our cache...
  		 * Jean II */
  
  		/* Translate to WE format */
  		res = prism2_ap_translate_scan(dev, extra);
  		if (res >= 0) {
  			printk(KERN_DEBUG "Scan result translation succeeded "
  			       "(length=%d)\n", res);
  			data->length = res;
  			return 0;
  		} else {
  			printk(KERN_DEBUG
  			       "Scan result translation failed (res=%d)\n",
  			       res);
  			data->length = 0;
  			return res;
  		}
  	} else {
  		/* Station mode */
  		return prism2_ioctl_giwscan_sta(dev, info, data, extra);
  	}
  }
  
  
  static const struct iw_priv_args prism2_priv[] = {
  	{ PRISM2_IOCTL_MONITOR,
  	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "monitor" },
  	{ PRISM2_IOCTL_READMIF,
  	  IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1,
  	  IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1, "readmif" },
  	{ PRISM2_IOCTL_WRITEMIF,
  	  IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 2, 0, "writemif" },
  	{ PRISM2_IOCTL_RESET,
  	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "reset" },
  	{ PRISM2_IOCTL_INQUIRE,
  	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "inquire" },
  	{ PRISM2_IOCTL_SET_RID_WORD,
  	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 2, 0, "set_rid_word" },
  	{ PRISM2_IOCTL_MACCMD,
  	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "maccmd" },
  	{ PRISM2_IOCTL_WDS_ADD,
  	  IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "wds_add" },
  	{ PRISM2_IOCTL_WDS_DEL,
  	  IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "wds_del" },
  	{ PRISM2_IOCTL_ADDMAC,
  	  IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "addmac" },
  	{ PRISM2_IOCTL_DELMAC,
  	  IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "delmac" },
  	{ PRISM2_IOCTL_KICKMAC,
  	  IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "kickmac" },
  	/* --- raw access to sub-ioctls --- */
  	{ PRISM2_IOCTL_PRISM2_PARAM,
  	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 2, 0, "prism2_param" },
  	{ PRISM2_IOCTL_GET_PRISM2_PARAM,
  	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
  	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getprism2_param" },
  	/* --- sub-ioctls handlers --- */
  	{ PRISM2_IOCTL_PRISM2_PARAM,
  	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "" },
  	{ PRISM2_IOCTL_GET_PRISM2_PARAM,
  	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "" },
  	/* --- sub-ioctls definitions --- */
  	{ PRISM2_PARAM_TXRATECTRL,
  	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "txratectrl" },
  	{ PRISM2_PARAM_TXRATECTRL,
  	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gettxratectrl" },
  	{ PRISM2_PARAM_BEACON_INT,
  	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "beacon_int" },
  	{ PRISM2_PARAM_BEACON_INT,
  	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getbeacon_int" },
  #ifndef PRISM2_NO_STATION_MODES
  	{ PRISM2_PARAM_PSEUDO_IBSS,
  	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "pseudo_ibss" },
  	{ PRISM2_PARAM_PSEUDO_IBSS,
  	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getpseudo_ibss" },
  #endif /* PRISM2_NO_STATION_MODES */
  	{ PRISM2_PARAM_ALC,
  	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "alc" },
  	{ PRISM2_PARAM_ALC,
  	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getalc" },
  	{ PRISM2_PARAM_DUMP,
  	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "dump" },
  	{ PRISM2_PARAM_DUMP,
  	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getdump" },
  	{ PRISM2_PARAM_OTHER_AP_POLICY,
  	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "other_ap_policy" },
  	{ PRISM2_PARAM_OTHER_AP_POLICY,
  	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getother_ap_pol" },
  	{ PRISM2_PARAM_AP_MAX_INACTIVITY,
  	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "max_inactivity" },
  	{ PRISM2_PARAM_AP_MAX_INACTIVITY,
  	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getmax_inactivi" },
  	{ PRISM2_PARAM_AP_BRIDGE_PACKETS,
  	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "bridge_packets" },
  	{ PRISM2_PARAM_AP_BRIDGE_PACKETS,
  	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getbridge_packe" },
  	{ PRISM2_PARAM_DTIM_PERIOD,
  	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "dtim_period" },
  	{ PRISM2_PARAM_DTIM_PERIOD,
  	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getdtim_period" },
  	{ PRISM2_PARAM_AP_NULLFUNC_ACK,
  	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "nullfunc_ack" },
  	{ PRISM2_PARAM_AP_NULLFUNC_ACK,
  	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getnullfunc_ack" },
  	{ PRISM2_PARAM_MAX_WDS,
  	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "max_wds" },
  	{ PRISM2_PARAM_MAX_WDS,
  	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getmax_wds" },
  	{ PRISM2_PARAM_AP_AUTOM_AP_WDS,
  	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "autom_ap_wds" },
  	{ PRISM2_PARAM_AP_AUTOM_AP_WDS,
  	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getautom_ap_wds" },
  	{ PRISM2_PARAM_AP_AUTH_ALGS,
  	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "ap_auth_algs" },
  	{ PRISM2_PARAM_AP_AUTH_ALGS,
  	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getap_auth_algs" },
  	{ PRISM2_PARAM_MONITOR_ALLOW_FCSERR,
  	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "allow_fcserr" },
  	{ PRISM2_PARAM_MONITOR_ALLOW_FCSERR,
  	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getallow_fcserr" },
  	{ PRISM2_PARAM_HOST_ENCRYPT,
  	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "host_encrypt" },
  	{ PRISM2_PARAM_HOST_ENCRYPT,
  	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethost_encrypt" },
  	{ PRISM2_PARAM_HOST_DECRYPT,
  	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "host_decrypt" },
  	{ PRISM2_PARAM_HOST_DECRYPT,
  	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethost_decrypt" },
  #ifndef PRISM2_NO_STATION_MODES
  	{ PRISM2_PARAM_HOST_ROAMING,
  	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "host_roaming" },
  	{ PRISM2_PARAM_HOST_ROAMING,
  	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethost_roaming" },
  #endif /* PRISM2_NO_STATION_MODES */
  	{ PRISM2_PARAM_BCRX_STA_KEY,
  	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "bcrx_sta_key" },
  	{ PRISM2_PARAM_BCRX_STA_KEY,
  	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getbcrx_sta_key" },
  	{ PRISM2_PARAM_IEEE_802_1X,
  	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "ieee_802_1x" },
  	{ PRISM2_PARAM_IEEE_802_1X,
  	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getieee_802_1x" },
  	{ PRISM2_PARAM_ANTSEL_TX,
  	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "antsel_tx" },
  	{ PRISM2_PARAM_ANTSEL_TX,
  	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getantsel_tx" },
  	{ PRISM2_PARAM_ANTSEL_RX,
  	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "antsel_rx" },
  	{ PRISM2_PARAM_ANTSEL_RX,
  	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getantsel_rx" },
  	{ PRISM2_PARAM_MONITOR_TYPE,
  	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "monitor_type" },
  	{ PRISM2_PARAM_MONITOR_TYPE,
  	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getmonitor_type" },
  	{ PRISM2_PARAM_WDS_TYPE,
  	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "wds_type" },
  	{ PRISM2_PARAM_WDS_TYPE,
  	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getwds_type" },
  	{ PRISM2_PARAM_HOSTSCAN,
  	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "hostscan" },
  	{ PRISM2_PARAM_HOSTSCAN,
  	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethostscan" },
  	{ PRISM2_PARAM_AP_SCAN,
  	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "ap_scan" },
  	{ PRISM2_PARAM_AP_SCAN,
  	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getap_scan" },
  	{ PRISM2_PARAM_ENH_SEC,
  	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "enh_sec" },
  	{ PRISM2_PARAM_ENH_SEC,
  	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getenh_sec" },
  #ifdef PRISM2_IO_DEBUG
  	{ PRISM2_PARAM_IO_DEBUG,
  	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "io_debug" },
  	{ PRISM2_PARAM_IO_DEBUG,
  	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getio_debug" },
  #endif /* PRISM2_IO_DEBUG */
  	{ PRISM2_PARAM_BASIC_RATES,
  	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "basic_rates" },
  	{ PRISM2_PARAM_BASIC_RATES,
  	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getbasic_rates" },
  	{ PRISM2_PARAM_OPER_RATES,
  	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "oper_rates" },
  	{ PRISM2_PARAM_OPER_RATES,
  	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getoper_rates" },
  	{ PRISM2_PARAM_HOSTAPD,
  	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "hostapd" },
  	{ PRISM2_PARAM_HOSTAPD,
  	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethostapd" },
  	{ PRISM2_PARAM_HOSTAPD_STA,
  	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "hostapd_sta" },
  	{ PRISM2_PARAM_HOSTAPD_STA,
  	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethostapd_sta" },
  	{ PRISM2_PARAM_WPA,
  	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "wpa" },
  	{ PRISM2_PARAM_WPA,
  	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getwpa" },
  	{ PRISM2_PARAM_PRIVACY_INVOKED,
  	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "privacy_invoked" },
  	{ PRISM2_PARAM_PRIVACY_INVOKED,
  	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getprivacy_invo" },
  	{ PRISM2_PARAM_TKIP_COUNTERMEASURES,
  	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "tkip_countermea" },
  	{ PRISM2_PARAM_TKIP_COUNTERMEASURES,
  	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gettkip_counter" },
  	{ PRISM2_PARAM_DROP_UNENCRYPTED,
  	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "drop_unencrypte" },
  	{ PRISM2_PARAM_DROP_UNENCRYPTED,
  	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getdrop_unencry" },
  	{ PRISM2_PARAM_SCAN_CHANNEL_MASK,
  	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "scan_channels" },
  	{ PRISM2_PARAM_SCAN_CHANNEL_MASK,
  	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getscan_channel" },
  };
  
  
  static int prism2_ioctl_priv_inquire(struct net_device *dev, int *i)
  {
  	struct hostap_interface *iface;
  	local_info_t *local;
  
  	iface = netdev_priv(dev);
  	local = iface->local;
  
  	if (local->func->cmd(dev, HFA384X_CMDCODE_INQUIRE, *i, NULL, NULL))
  		return -EOPNOTSUPP;
  
  	return 0;
  }
  
  
  static int prism2_ioctl_priv_prism2_param(struct net_device *dev,
  					  struct iw_request_info *info,
  					  void *wrqu, char *extra)
  {
  	struct hostap_interface *iface;
  	local_info_t *local;
  	int *i = (int *) extra;
  	int param = *i;
  	int value = *(i + 1);
  	int ret = 0;
  	u16 val;
  
  	iface = netdev_priv(dev);
  	local = iface->local;
  
  	switch (param) {
  	case PRISM2_PARAM_TXRATECTRL:
  		local->fw_tx_rate_control = value;
  		break;
  
  	case PRISM2_PARAM_BEACON_INT:
  		if (hostap_set_word(dev, HFA384X_RID_CNFBEACONINT, value) ||
  		    local->func->reset_port(dev))
  			ret = -EINVAL;
  		else
  			local->beacon_int = value;
  		break;
  
  #ifndef PRISM2_NO_STATION_MODES
  	case PRISM2_PARAM_PSEUDO_IBSS:
  		if (value == local->pseudo_adhoc)
  			break;
  
  		if (value != 0 && value != 1) {
  			ret = -EINVAL;
  			break;
  		}
  
  		printk(KERN_DEBUG "prism2: %s: pseudo IBSS change %d -> %d\n",
  		       dev->name, local->pseudo_adhoc, value);
  		local->pseudo_adhoc = value;
  		if (local->iw_mode != IW_MODE_ADHOC)
  			break;
  
  		if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE,
  				    hostap_get_porttype(local))) {
  			ret = -EOPNOTSUPP;
  			break;
  		}
  
  		if (local->func->reset_port(dev))
  			ret = -EINVAL;
  		break;
  #endif /* PRISM2_NO_STATION_MODES */
  
  	case PRISM2_PARAM_ALC:
  		printk(KERN_DEBUG "%s: %s ALC\n", dev->name,
  		       value == 0 ? "Disabling" : "Enabling");
  		val = HFA384X_TEST_CFG_BIT_ALC;
  		local->func->cmd(dev, HFA384X_CMDCODE_TEST |
  				 (HFA384X_TEST_CFG_BITS << 8),
  				 value == 0 ? 0 : 1, &val, NULL);
  		break;
  
  	case PRISM2_PARAM_DUMP:
  		local->frame_dump = value;
  		break;
  
  	case PRISM2_PARAM_OTHER_AP_POLICY:
  		if (value < 0 || value > 3) {
  			ret = -EINVAL;
  			break;
  		}
  		if (local->ap != NULL)
  			local->ap->ap_policy = value;
  		break;
  
  	case PRISM2_PARAM_AP_MAX_INACTIVITY:
  		if (value < 0 || value > 7 * 24 * 60 * 60) {
  			ret = -EINVAL;
  			break;
  		}
  		if (local->ap != NULL)
  			local->ap->max_inactivity = value * HZ;
  		break;
  
  	case PRISM2_PARAM_AP_BRIDGE_PACKETS:
  		if (local->ap != NULL)
  			local->ap->bridge_packets = value;
  		break;
  
  	case PRISM2_PARAM_DTIM_PERIOD:
  		if (value < 0 || value > 65535) {
  			ret = -EINVAL;
  			break;
  		}
  		if (hostap_set_word(dev, HFA384X_RID_CNFOWNDTIMPERIOD, value)
  		    || local->func->reset_port(dev))
  			ret = -EINVAL;
  		else
  			local->dtim_period = value;
  		break;
  
  	case PRISM2_PARAM_AP_NULLFUNC_ACK:
  		if (local->ap != NULL)
  			local->ap->nullfunc_ack = value;
  		break;
  
  	case PRISM2_PARAM_MAX_WDS:
  		local->wds_max_connections = value;
  		break;
  
  	case PRISM2_PARAM_AP_AUTOM_AP_WDS:
  		if (local->ap != NULL) {
  			if (!local->ap->autom_ap_wds && value) {
  				/* add WDS link to all APs in STA table */
  				hostap_add_wds_links(local);
  			}
  			local->ap->autom_ap_wds = value;
  		}
  		break;
  
  	case PRISM2_PARAM_AP_AUTH_ALGS:
  		local->auth_algs = value;
  		if (hostap_set_auth_algs(local))
  			ret = -EINVAL;
  		break;
  
  	case PRISM2_PARAM_MONITOR_ALLOW_FCSERR:
  		local->monitor_allow_fcserr = value;
  		break;
  
  	case PRISM2_PARAM_HOST_ENCRYPT:
  		local->host_encrypt = value;
  		if (hostap_set_encryption(local) ||
  		    local->func->reset_port(dev))
  			ret = -EINVAL;
  		break;
  
  	case PRISM2_PARAM_HOST_DECRYPT:
  		local->host_decrypt = value;
  		if (hostap_set_encryption(local) ||
  		    local->func->reset_port(dev))
  			ret = -EINVAL;
  		break;
  
  #ifndef PRISM2_NO_STATION_MODES
  	case PRISM2_PARAM_HOST_ROAMING:
  		if (value < 0 || value > 2) {
  			ret = -EINVAL;
  			break;
  		}
  		local->host_roaming = value;
  		if (hostap_set_roaming(local) || local->func->reset_port(dev))
  			ret = -EINVAL;
  		break;
  #endif /* PRISM2_NO_STATION_MODES */
  
  	case PRISM2_PARAM_BCRX_STA_KEY:
  		local->bcrx_sta_key = value;
  		break;
  
  	case PRISM2_PARAM_IEEE_802_1X:
  		local->ieee_802_1x = value;
  		break;
  
  	case PRISM2_PARAM_ANTSEL_TX:
  		if (value < 0 || value > HOSTAP_ANTSEL_HIGH) {
  			ret = -EINVAL;
  			break;
  		}
  		local->antsel_tx = value;
  		hostap_set_antsel(local);
  		break;
  
  	case PRISM2_PARAM_ANTSEL_RX:
  		if (value < 0 || value > HOSTAP_ANTSEL_HIGH) {
  			ret = -EINVAL;
  			break;
  		}
  		local->antsel_rx = value;
  		hostap_set_antsel(local);
  		break;
  
  	case PRISM2_PARAM_MONITOR_TYPE:
  		if (value != PRISM2_MONITOR_80211 &&
  		    value != PRISM2_MONITOR_CAPHDR &&
  		    value != PRISM2_MONITOR_PRISM) {
  			ret = -EINVAL;
  			break;
  		}
  		local->monitor_type = value;
  		if (local->iw_mode == IW_MODE_MONITOR)
  			hostap_monitor_set_type(local);
  		break;
  
  	case PRISM2_PARAM_WDS_TYPE:
  		local->wds_type = value;
  		break;
  
  	case PRISM2_PARAM_HOSTSCAN:
  	{
  		struct hfa384x_hostscan_request scan_req;
  		u16 rate;
  
  		memset(&scan_req, 0, sizeof(scan_req));
  		scan_req.channel_list = __constant_cpu_to_le16(0x3fff);
  		switch (value) {
  		case 1: rate = HFA384X_RATES_1MBPS; break;
  		case 2: rate = HFA384X_RATES_2MBPS; break;
  		case 3: rate = HFA384X_RATES_5MBPS; break;
  		case 4: rate = HFA384X_RATES_11MBPS; break;
  		default: rate = HFA384X_RATES_1MBPS; break;
  		}
  		scan_req.txrate = cpu_to_le16(rate);
  		/* leave SSID empty to accept all SSIDs */
  
  		if (local->iw_mode == IW_MODE_MASTER) {
  			if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE,
  					    HFA384X_PORTTYPE_BSS) ||
  			    local->func->reset_port(dev))
  				printk(KERN_DEBUG "Leaving Host AP mode "
  				       "for HostScan failed\n");
  		}
  
  		if (local->func->set_rid(dev, HFA384X_RID_HOSTSCAN, &scan_req,
  					 sizeof(scan_req))) {
  			printk(KERN_DEBUG "HOSTSCAN failed\n");
  			ret = -EINVAL;
  		}
  		if (local->iw_mode == IW_MODE_MASTER) {
  			wait_queue_t __wait;
  			init_waitqueue_entry(&__wait, current);
  			add_wait_queue(&local->hostscan_wq, &__wait);
  			set_current_state(TASK_INTERRUPTIBLE);
  			schedule_timeout(HZ);
  			if (signal_pending(current))
  				ret = -EINTR;
  			set_current_state(TASK_RUNNING);
  			remove_wait_queue(&local->hostscan_wq, &__wait);
  
  			if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE,
  					    HFA384X_PORTTYPE_HOSTAP) ||
  			    local->func->reset_port(dev))
  				printk(KERN_DEBUG "Returning to Host AP mode "
  				       "after HostScan failed\n");
  		}
  		break;
  	}
  
  	case PRISM2_PARAM_AP_SCAN:
  		local->passive_scan_interval = value;
  		if (timer_pending(&local->passive_scan_timer))
  			del_timer(&local->passive_scan_timer);
  		if (value > 0) {
  			local->passive_scan_timer.expires = jiffies +
  				local->passive_scan_interval * HZ;
  			add_timer(&local->passive_scan_timer);
  		}
  		break;
  
  	case PRISM2_PARAM_ENH_SEC:
  		if (value < 0 || value > 3) {
  			ret = -EINVAL;
  			break;
  		}
  		local->enh_sec = value;
  		if (hostap_set_word(dev, HFA384X_RID_CNFENHSECURITY,
  				    local->enh_sec) ||
  		    local->func->reset_port(dev)) {
  			printk(KERN_INFO "%s: cnfEnhSecurity requires STA f/w "
  			       "1.6.3 or newer\n", dev->name);
  			ret = -EOPNOTSUPP;
  		}
  		break;
  
  #ifdef PRISM2_IO_DEBUG
  	case PRISM2_PARAM_IO_DEBUG:
  		local->io_debug_enabled = value;
  		break;
  #endif /* PRISM2_IO_DEBUG */
  
  	case PRISM2_PARAM_BASIC_RATES:
  		if ((value & local->tx_rate_control) != value || value == 0) {
  			printk(KERN_INFO "%s: invalid basic rate set - basic "
  			       "rates must be in supported rate set\n",
  			       dev->name);
  			ret = -EINVAL;
  			break;
  		}
  		local->basic_rates = value;
  		if (hostap_set_word(dev, HFA384X_RID_CNFBASICRATES,
  				    local->basic_rates) ||
  		    local->func->reset_port(dev))
  			ret = -EINVAL;
  		break;
  
  	case PRISM2_PARAM_OPER_RATES:
  		local->tx_rate_control = value;
  		if (hostap_set_rate(dev))
  			ret = -EINVAL;
  		break;
  
  	case PRISM2_PARAM_HOSTAPD:
  		ret = hostap_set_hostapd(local, value, 1);
  		break;
  
  	case PRISM2_PARAM_HOSTAPD_STA:
  		ret = hostap_set_hostapd_sta(local, value, 1);
  		break;
  
  	case PRISM2_PARAM_WPA:
  		local->wpa = value;
  		if (local->sta_fw_ver < PRISM2_FW_VER(1,7,0))
  			ret = -EOPNOTSUPP;
  		else if (hostap_set_word(dev, HFA384X_RID_SSNHANDLINGMODE,
  					 value ? 1 : 0))
  			ret = -EINVAL;
  		break;
  
  	case PRISM2_PARAM_PRIVACY_INVOKED:
  		local->privacy_invoked = value;
  		if (hostap_set_encryption(local) ||
  		    local->func->reset_port(dev))
  			ret = -EINVAL;
  		break;
  
  	case PRISM2_PARAM_TKIP_COUNTERMEASURES:
  		local->tkip_countermeasures = value;
  		break;
  
  	case PRISM2_PARAM_DROP_UNENCRYPTED:
  		local->drop_unencrypted = value;
  		break;
  
  	case PRISM2_PARAM_SCAN_CHANNEL_MASK:
  		local->scan_channel_mask = value;
  		break;
  
  	default:
  		printk(KERN_DEBUG "%s: prism2_param: unknown param %d\n",
  		       dev->name, param);
  		ret = -EOPNOTSUPP;
  		break;
  	}
  
  	return ret;
  }
  
  
  static int prism2_ioctl_priv_get_prism2_param(struct net_device *dev,
  					      struct iw_request_info *info,
  					      void *wrqu, char *extra)
  {
  	struct hostap_interface *iface;
  	local_info_t *local;
  	int *param = (int *) extra;
  	int ret = 0;
  
  	iface = netdev_priv(dev);
  	local = iface->local;
  
  	switch (*param) {
  	case PRISM2_PARAM_TXRATECTRL:
  		*param = local->fw_tx_rate_control;
  		break;
  
  	case PRISM2_PARAM_BEACON_INT:
  		*param = local->beacon_int;
  		break;
  
  	case PRISM2_PARAM_PSEUDO_IBSS:
  		*param = local->pseudo_adhoc;
  		break;
  
  	case PRISM2_PARAM_ALC:
  		ret = -EOPNOTSUPP; /* FIX */
  		break;
  
  	case PRISM2_PARAM_DUMP:
  		*param = local->frame_dump;
  		break;
  
  	case PRISM2_PARAM_OTHER_AP_POLICY:
  		if (local->ap != NULL)
  			*param = local->ap->ap_policy;
  		else
  			ret = -EOPNOTSUPP;
  		break;
  
  	case PRISM2_PARAM_AP_MAX_INACTIVITY:
  		if (local->ap != NULL)
  			*param = local->ap->max_inactivity / HZ;
  		else
  			ret = -EOPNOTSUPP;
  		break;
  
  	case PRISM2_PARAM_AP_BRIDGE_PACKETS:
  		if (local->ap != NULL)
  			*param = local->ap->bridge_packets;
  		else
  			ret = -EOPNOTSUPP;
  		break;
  
  	case PRISM2_PARAM_DTIM_PERIOD:
  		*param = local->dtim_period;
  		break;
  
  	case PRISM2_PARAM_AP_NULLFUNC_ACK:
  		if (local->ap != NULL)
  			*param = local->ap->nullfunc_ack;
  		else
  			ret = -EOPNOTSUPP;
  		break;
  
  	case PRISM2_PARAM_MAX_WDS:
  		*param = local->wds_max_connections;
  		break;
  
  	case PRISM2_PARAM_AP_AUTOM_AP_WDS:
  		if (local->ap != NULL)
  			*param = local->ap->autom_ap_wds;
  		else
  			ret = -EOPNOTSUPP;
  		break;
  
  	case PRISM2_PARAM_AP_AUTH_ALGS:
  		*param = local->auth_algs;
  		break;
  
  	case PRISM2_PARAM_MONITOR_ALLOW_FCSERR:
  		*param = local->monitor_allow_fcserr;
  		break;
  
  	case PRISM2_PARAM_HOST_ENCRYPT:
  		*param = local->host_encrypt;
  		break;
  
  	case PRISM2_PARAM_HOST_DECRYPT:
  		*param = local->host_decrypt;
  		break;
  
  	case PRISM2_PARAM_HOST_ROAMING:
  		*param = local->host_roaming;
  		break;
  
  	case PRISM2_PARAM_BCRX_STA_KEY:
  		*param = local->bcrx_sta_key;
  		break;
  
  	case PRISM2_PARAM_IEEE_802_1X:
  		*param = local->ieee_802_1x;
  		break;
  
  	case PRISM2_PARAM_ANTSEL_TX:
  		*param = local->antsel_tx;
  		break;
  
  	case PRISM2_PARAM_ANTSEL_RX:
  		*param = local->antsel_rx;
  		break;
  
  	case PRISM2_PARAM_MONITOR_TYPE:
  		*param = local->monitor_type;
  		break;
  
  	case PRISM2_PARAM_WDS_TYPE:
  		*param = local->wds_type;
  		break;
  
  	case PRISM2_PARAM_HOSTSCAN:
  		ret = -EOPNOTSUPP;
  		break;
  
  	case PRISM2_PARAM_AP_SCAN:
  		*param = local->passive_scan_interval;
  		break;
  
  	case PRISM2_PARAM_ENH_SEC:
  		*param = local->enh_sec;
  		break;
  
  #ifdef PRISM2_IO_DEBUG
  	case PRISM2_PARAM_IO_DEBUG:
  		*param = local->io_debug_enabled;
  		break;
  #endif /* PRISM2_IO_DEBUG */
  
  	case PRISM2_PARAM_BASIC_RATES:
  		*param = local->basic_rates;
  		break;
  
  	case PRISM2_PARAM_OPER_RATES:
  		*param = local->tx_rate_control;
  		break;
  
  	case PRISM2_PARAM_HOSTAPD:
  		*param = local->hostapd;
  		break;
  
  	case PRISM2_PARAM_HOSTAPD_STA:
  		*param = local->hostapd_sta;
  		break;
  
  	case PRISM2_PARAM_WPA:
  		if (local->sta_fw_ver < PRISM2_FW_VER(1,7,0))
  			ret = -EOPNOTSUPP;
  		*param = local->wpa;
  		break;
  
  	case PRISM2_PARAM_PRIVACY_INVOKED:
  		*param = local->privacy_invoked;
  		break;
  
  	case PRISM2_PARAM_TKIP_COUNTERMEASURES:
  		*param = local->tkip_countermeasures;
  		break;
  
  	case PRISM2_PARAM_DROP_UNENCRYPTED:
  		*param = local->drop_unencrypted;
  		break;
  
  	case PRISM2_PARAM_SCAN_CHANNEL_MASK:
  		*param = local->scan_channel_mask;
  		break;
  
  	default:
  		printk(KERN_DEBUG "%s: get_prism2_param: unknown param %d\n",
  		       dev->name, *param);
  		ret = -EOPNOTSUPP;
  		break;
  	}
  
  	return ret;
  }
  
  
  static int prism2_ioctl_priv_readmif(struct net_device *dev,
  				     struct iw_request_info *info,
  				     void *wrqu, char *extra)
  {
  	struct hostap_interface *iface;
  	local_info_t *local;
  	u16 resp0;
  
  	iface = netdev_priv(dev);
  	local = iface->local;
  
  	if (local->func->cmd(dev, HFA384X_CMDCODE_READMIF, *extra, NULL,
  			     &resp0))
  		return -EOPNOTSUPP;
  	else
  		*extra = resp0;
  
  	return 0;
  }
  
  
  static int prism2_ioctl_priv_writemif(struct net_device *dev,
  				      struct iw_request_info *info,
  				      void *wrqu, char *extra)
  {
  	struct hostap_interface *iface;
  	local_info_t *local;
  	u16 cr, val;
  
  	iface = netdev_priv(dev);
  	local = iface->local;
  
  	cr = *extra;
  	val = *(extra + 1);
  	if (local->func->cmd(dev, HFA384X_CMDCODE_WRITEMIF, cr, &val, NULL))
  		return -EOPNOTSUPP;
  
  	return 0;
  }
  
  
  static int prism2_ioctl_priv_monitor(struct net_device *dev, int *i)
  {
  	struct hostap_interface *iface;
  	local_info_t *local;
  	int ret = 0;
  	u32 mode;
  
  	iface = netdev_priv(dev);
  	local = iface->local;
  
  	printk(KERN_DEBUG "%s: process %d (%s) used deprecated iwpriv monitor "
  	       "- update software to use iwconfig mode monitor\n",
  	       dev->name, current->pid, current->comm);
  
  	/* Backward compatibility code - this can be removed at some point */
  
  	if (*i == 0) {
  		/* Disable monitor mode - old mode was not saved, so go to
  		 * Master mode */
  		mode = IW_MODE_MASTER;
  		ret = prism2_ioctl_siwmode(dev, NULL, &mode, NULL);
  	} else if (*i == 1) {
  		/* netlink socket mode is not supported anymore since it did
  		 * not separate different devices from each other and was not
  		 * best method for delivering large amount of packets to
  		 * user space */
  		ret = -EOPNOTSUPP;
  	} else if (*i == 2 || *i == 3) {
  		switch (*i) {
  		case 2:
  			local->monitor_type = PRISM2_MONITOR_80211;
  			break;
  		case 3:
  			local->monitor_type = PRISM2_MONITOR_PRISM;
  			break;
  		}
  		mode = IW_MODE_MONITOR;
  		ret = prism2_ioctl_siwmode(dev, NULL, &mode, NULL);
  		hostap_monitor_mode_enable(local);
  	} else
  		ret = -EINVAL;
  
  	return ret;
  }
  
  
  static int prism2_ioctl_priv_reset(struct net_device *dev, int *i)
  {
  	struct hostap_interface *iface;
  	local_info_t *local;
  
  	iface = netdev_priv(dev);
  	local = iface->local;
  
  	printk(KERN_DEBUG "%s: manual reset request(%d)\n", dev->name, *i);
  	switch (*i) {
  	case 0:
  		/* Disable and enable card */
  		local->func->hw_shutdown(dev, 1);
  		local->func->hw_config(dev, 0);
  		break;
  
  	case 1:
  		/* COR sreset */
  		local->func->hw_reset(dev);
  		break;
  
  	case 2:
  		/* Disable and enable port 0 */
  		local->func->reset_port(dev);
  		break;
  
  	case 3:
  		prism2_sta_deauth(local, WLAN_REASON_DEAUTH_LEAVING);
  		if (local->func->cmd(dev, HFA384X_CMDCODE_DISABLE, 0, NULL,
  				     NULL))
  			return -EINVAL;
  		break;
  
  	case 4:
  		if (local->func->cmd(dev, HFA384X_CMDCODE_ENABLE, 0, NULL,
  				     NULL))
  			return -EINVAL;
  		break;
  
  	default:
  		printk(KERN_DEBUG "Unknown reset request %d\n", *i);
  		return -EOPNOTSUPP;
  	}
  
  	return 0;
  }
  
  
  static int prism2_ioctl_priv_set_rid_word(struct net_device *dev, int *i)
  {
  	int rid = *i;
  	int value = *(i + 1);
  
  	printk(KERN_DEBUG "%s: Set RID[0x%X] = %d\n", dev->name, rid, value);
  
  	if (hostap_set_word(dev, rid, value))
  		return -EINVAL;
  
  	return 0;
  }
  
  
  #ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT
  static int ap_mac_cmd_ioctl(local_info_t *local, int *cmd)
  {
  	int ret = 0;
  
  	switch (*cmd) {
  	case AP_MAC_CMD_POLICY_OPEN:
  		local->ap->mac_restrictions.policy = MAC_POLICY_OPEN;
  		break;
  	case AP_MAC_CMD_POLICY_ALLOW:
  		local->ap->mac_restrictions.policy = MAC_POLICY_ALLOW;
  		break;
  	case AP_MAC_CMD_POLICY_DENY:
  		local->ap->mac_restrictions.policy = MAC_POLICY_DENY;
  		break;
  	case AP_MAC_CMD_FLUSH:
  		ap_control_flush_macs(&local->ap->mac_restrictions);
  		break;
  	case AP_MAC_CMD_KICKALL:
  		ap_control_kickall(local->ap);
  		hostap_deauth_all_stas(local->dev, local->ap, 0);
  		break;
  	default:
  		ret = -EOPNOTSUPP;
  		break;
  	}
  
  	return ret;
  }
  #endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */
  
  
  #ifdef PRISM2_DOWNLOAD_SUPPORT
  static int prism2_ioctl_priv_download(local_info_t *local, struct iw_point *p)
  {
  	struct prism2_download_param *param;
  	int ret = 0;
  
  	if (p->length < sizeof(struct prism2_download_param) ||
  	    p->length > 1024 || !p->pointer)
  		return -EINVAL;
  
  	param = (struct prism2_download_param *)
  		kmalloc(p->length, GFP_KERNEL);
  	if (param == NULL)
  		return -ENOMEM;
  
  	if (copy_from_user(param, p->pointer, p->length)) {
  		ret = -EFAULT;
  		goto out;
  	}
  
  	if (p->length < sizeof(struct prism2_download_param) +
  	    param->num_areas * sizeof(struct prism2_download_area)) {
  		ret = -EINVAL;
  		goto out;
  	}
  
  	ret = local->func->download(local, param);
  
   out:
  	kfree(param);
  	return ret;
  }
  #endif /* PRISM2_DOWNLOAD_SUPPORT */
  
  
  static int prism2_set_genericelement(struct net_device *dev, u8 *elem,
  				     size_t len)
  {
  	struct hostap_interface *iface = dev->priv;
  	local_info_t *local = iface->local;
  	u8 *buf;
  
  	/*
  	 * Add 16-bit length in the beginning of the buffer because Prism2 RID
  	 * includes it.
  	 */
  	buf = kmalloc(len + 2, GFP_KERNEL);
  	if (buf == NULL)
  		return -ENOMEM;
  
  	*((u16 *) buf) = cpu_to_le16(len);
  	memcpy(buf + 2, elem, len);
  
  	kfree(local->generic_elem);
  	local->generic_elem = buf;
  	local->generic_elem_len = len + 2;
  
  	return local->func->set_rid(local->dev, HFA384X_RID_GENERICELEMENT,
  				    buf, len + 2);
  }
  
  
  static int prism2_ioctl_siwauth(struct net_device *dev,
  				struct iw_request_info *info,
  				struct iw_param *data, char *extra)
  {
  	struct hostap_interface *iface = dev->priv;
  	local_info_t *local = iface->local;
  
  	switch (data->flags & IW_AUTH_INDEX) {
  	case IW_AUTH_WPA_VERSION:
  	case IW_AUTH_CIPHER_PAIRWISE:
  	case IW_AUTH_CIPHER_GROUP:
  	case IW_AUTH_KEY_MGMT:
  		/*
  		 * Host AP driver does not use these parameters and allows
  		 * wpa_supplicant to control them internally.
  		 */
  		break;
  	case IW_AUTH_TKIP_COUNTERMEASURES:
  		local->tkip_countermeasures = data->value;
  		break;
  	case IW_AUTH_DROP_UNENCRYPTED:
  		local->drop_unencrypted = data->value;
  		break;
  	case IW_AUTH_80211_AUTH_ALG:
  		local->auth_algs = data->value;
  		break;
  	case IW_AUTH_WPA_ENABLED:
  		if (data->value == 0) {
  			local->wpa = 0;
  			if (local->sta_fw_ver < PRISM2_FW_VER(1,7,0))
  				break;
  			prism2_set_genericelement(dev, "", 0);
  			local->host_roaming = 0;
  			local->privacy_invoked = 0;
  			if (hostap_set_word(dev, HFA384X_RID_SSNHANDLINGMODE,
  					    0) ||
  			    hostap_set_roaming(local) ||
  			    hostap_set_encryption(local) ||
  			    local->func->reset_port(dev))
  				return -EINVAL;
  			break;
  		}
  		if (local->sta_fw_ver < PRISM2_FW_VER(1,7,0))
  			return -EOPNOTSUPP;
  		local->host_roaming = 2;
  		local->privacy_invoked = 1;
  		local->wpa = 1;
  		if (hostap_set_word(dev, HFA384X_RID_SSNHANDLINGMODE, 1) ||
  		    hostap_set_roaming(local) ||
  		    hostap_set_encryption(local) ||
  		    local->func->reset_port(dev))
  			return -EINVAL;
  		break;
  	case IW_AUTH_RX_UNENCRYPTED_EAPOL:
  		local->ieee_802_1x = data->value;
  		break;
  	case IW_AUTH_PRIVACY_INVOKED:
  		local->privacy_invoked = data->value;
  		break;
  	default:
  		return -EOPNOTSUPP;
  	}
  	return 0;
  }
  
  
  static int prism2_ioctl_giwauth(struct net_device *dev,
  				struct iw_request_info *info,
  				struct iw_param *data, char *extra)
  {
  	struct hostap_interface *iface = dev->priv;
  	local_info_t *local = iface->local;
  
  	switch (data->flags & IW_AUTH_INDEX) {
  	case IW_AUTH_WPA_VERSION:
  	case IW_AUTH_CIPHER_PAIRWISE:
  	case IW_AUTH_CIPHER_GROUP:
  	case IW_AUTH_KEY_MGMT:
  		/*
  		 * Host AP driver does not use these parameters and allows
  		 * wpa_supplicant to control them internally.
  		 */
  		return -EOPNOTSUPP;
  	case IW_AUTH_TKIP_COUNTERMEASURES:
  		data->value = local->tkip_countermeasures;
  		break;
  	case IW_AUTH_DROP_UNENCRYPTED:
  		data->value = local->drop_unencrypted;
  		break;
  	case IW_AUTH_80211_AUTH_ALG:
  		data->value = local->auth_algs;
  		break;
  	case IW_AUTH_WPA_ENABLED:
  		data->value = local->wpa;
  		break;
  	case IW_AUTH_RX_UNENCRYPTED_EAPOL:
  		data->value = local->ieee_802_1x;
  		break;
  	default:
  		return -EOPNOTSUPP;
  	}
  	return 0;
  }
  
  
  static int prism2_ioctl_siwencodeext(struct net_device *dev,
  				     struct iw_request_info *info,
  				     struct iw_point *erq, char *extra)
  {
  	struct hostap_interface *iface = dev->priv;
  	local_info_t *local = iface->local;
  	struct iw_encode_ext *ext = (struct iw_encode_ext *) extra;
  	int i, ret = 0;
  	struct ieee80211_crypto_ops *ops;
  	struct ieee80211_crypt_data **crypt;
  	void *sta_ptr;
  	u8 *addr;
  	const char *alg, *module;
  
  	i = erq->flags & IW_ENCODE_INDEX;
  	if (i > WEP_KEYS)
  		return -EINVAL;
  	if (i < 1 || i > WEP_KEYS)
  		i = local->tx_keyidx;
  	else
  		i--;
  	if (i < 0 || i >= WEP_KEYS)
  		return -EINVAL;
  
  	addr = ext->addr.sa_data;
  	if (addr[0] == 0xff && addr[1] == 0xff && addr[2] == 0xff &&
  	    addr[3] == 0xff && addr[4] == 0xff && addr[5] == 0xff) {
  		sta_ptr = NULL;
  		crypt = &local->crypt[i];
  	} else {
  		if (i != 0)
  			return -EINVAL;
  		sta_ptr = ap_crypt_get_ptrs(local->ap, addr, 0, &crypt);
  		if (sta_ptr == NULL) {
  			if (local->iw_mode == IW_MODE_INFRA) {
  				/*
  				 * TODO: add STA entry for the current AP so
  				 * that unicast key can be used. For now, this
  				 * is emulated by using default key idx 0.
  				 */
  				i = 0;
  				crypt = &local->crypt[i];
  			} else
  				return -EINVAL;
  		}
  	}
  
  	if ((erq->flags & IW_ENCODE_DISABLED) ||
  	    ext->alg == IW_ENCODE_ALG_NONE) {
  		if (*crypt)
  			prism2_crypt_delayed_deinit(local, crypt);
  		goto done;
  	}
  
  	switch (ext->alg) {
  	case IW_ENCODE_ALG_WEP:
  		alg = "WEP";
  		module = "ieee80211_crypt_wep";
  		break;
  	case IW_ENCODE_ALG_TKIP:
  		alg = "TKIP";
  		module = "ieee80211_crypt_tkip";
  		break;
  	case IW_ENCODE_ALG_CCMP:
  		alg = "CCMP";
  		module = "ieee80211_crypt_ccmp";
  		break;
  	default:
  		printk(KERN_DEBUG "%s: unsupported algorithm %d\n",
  		       local->dev->name, ext->alg);
  		ret = -EOPNOTSUPP;
  		goto done;
  	}
  
  	ops = ieee80211_get_crypto_ops(alg);
  	if (ops == NULL) {
  		request_module(module);
  		ops = ieee80211_get_crypto_ops(alg);
  	}
  	if (ops == NULL) {
  		printk(KERN_DEBUG "%s: unknown crypto alg '%s'\n",
  		       local->dev->name, alg);
  		ret = -EOPNOTSUPP;
  		goto done;
  	}
  
  	if (sta_ptr || ext->alg != IW_ENCODE_ALG_WEP) {
  		/*
  		 * Per station encryption and other than WEP algorithms
  		 * require host-based encryption, so force them on
  		 * automatically.
  		 */
  		local->host_decrypt = local->host_encrypt = 1;
  	}
  
  	if (*crypt == NULL || (*crypt)->ops != ops) {
  		struct ieee80211_crypt_data *new_crypt;
  
  		prism2_crypt_delayed_deinit(local, crypt);
  
  		new_crypt = kzalloc(sizeof(struct ieee80211_crypt_data),
  				GFP_KERNEL);
  		if (new_crypt == NULL) {
  			ret = -ENOMEM;
  			goto done;
  		}
  		new_crypt->ops = ops;
  		new_crypt->priv = new_crypt->ops->init(i);
  		if (new_crypt->priv == NULL) {
  			kfree(new_crypt);
  			ret = -EINVAL;
  			goto done;
  		}
  
  		*crypt = new_crypt;
  	}
  
  	/*
  	 * TODO: if ext_flags does not have IW_ENCODE_EXT_RX_SEQ_VALID, the
  	 * existing seq# should not be changed.
  	 * TODO: if ext_flags has IW_ENCODE_EXT_TX_SEQ_VALID, next TX seq#
  	 * should be changed to something else than zero.
  	 */
  	if ((!(ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) || ext->key_len > 0)
  	    && (*crypt)->ops->set_key &&
  	    (*crypt)->ops->set_key(ext->key, ext->key_len, ext->rx_seq,
  				   (*crypt)->priv) < 0) {
  		printk(KERN_DEBUG "%s: key setting failed\n",
  		       local->dev->name);
  		ret = -EINVAL;
  		goto done;
  	}
  
  	if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
  		if (!sta_ptr)
  			local->tx_keyidx = i;
  	}
  
  
  	if (sta_ptr == NULL && ext->key_len > 0) {
  		int first = 1, j;
  		for (j = 0; j < WEP_KEYS; j++) {
  			if (j != i && local->crypt[j]) {
  				first = 0;
  				break;
  			}
  		}
  		if (first)
  			local->tx_keyidx = i;
  	}
  
   done:
  	if (sta_ptr)
  		hostap_handle_sta_release(sta_ptr);
  
  	local->open_wep = erq->flags & IW_ENCODE_OPEN;
  
  	/*
  	 * Do not reset port0 if card is in Managed mode since resetting will
  	 * generate new IEEE 802.11 authentication which may end up in looping
  	 * with IEEE 802.1X. Prism2 documentation seem to require port reset
  	 * after WEP configuration. However, keys are apparently changed at
  	 * least in Managed mode.
  	 */
  	if (ret == 0 &&
  	    (hostap_set_encryption(local) ||
  	     (local->iw_mode != IW_MODE_INFRA &&
  	      local->func->reset_port(local->dev))))
  		ret = -EINVAL;
  
  	return ret;
  }
  
  
  static int prism2_ioctl_giwencodeext(struct net_device *dev,
  				     struct iw_request_info *info,
  				     struct iw_point *erq, char *extra)
  {
  	struct hostap_interface *iface = dev->priv;
  	local_info_t *local = iface->local;
  	struct ieee80211_crypt_data **crypt;
  	void *sta_ptr;
  	int max_key_len, i;
  	struct iw_encode_ext *ext = (struct iw_encode_ext *) extra;
  	u8 *addr;
  
  	max_key_len = erq->length - sizeof(*ext);
  	if (max_key_len < 0)
  		return -EINVAL;
  
  	i = erq->flags & IW_ENCODE_INDEX;
  	if (i < 1 || i > WEP_KEYS)
  		i = local->tx_keyidx;
  	else
  		i--;
  
  	addr = ext->addr.sa_data;
  	if (addr[0] == 0xff && addr[1] == 0xff && addr[2] == 0xff &&
  	    addr[3] == 0xff && addr[4] == 0xff && addr[5] == 0xff) {
  		sta_ptr = NULL;
  		crypt = &local->crypt[i];
  	} else {
  		i = 0;
  		sta_ptr = ap_crypt_get_ptrs(local->ap, addr, 0, &crypt);
  		if (sta_ptr == NULL)
  			return -EINVAL;
  	}
  	erq->flags = i + 1;
  	memset(ext, 0, sizeof(*ext));
  
  	if (*crypt == NULL || (*crypt)->ops == NULL) {
  		ext->alg = IW_ENCODE_ALG_NONE;
  		ext->key_len = 0;
  		erq->flags |= IW_ENCODE_DISABLED;
  	} else {
  		if (strcmp((*crypt)->ops->name, "WEP") == 0)
  			ext->alg = IW_ENCODE_ALG_WEP;
  		else if (strcmp((*crypt)->ops->name, "TKIP") == 0)
  			ext->alg = IW_ENCODE_ALG_TKIP;
  		else if (strcmp((*crypt)->ops->name, "CCMP") == 0)
  			ext->alg = IW_ENCODE_ALG_CCMP;
  		else
  			return -EINVAL;
  
  		if ((*crypt)->ops->get_key) {
  			ext->key_len =
  				(*crypt)->ops->get_key(ext->key,
  						       max_key_len,
  						       ext->tx_seq,
  						       (*crypt)->priv);
  			if (ext->key_len &&
  			    (ext->alg == IW_ENCODE_ALG_TKIP ||
  			     ext->alg == IW_ENCODE_ALG_CCMP))
  				ext->ext_flags |= IW_ENCODE_EXT_TX_SEQ_VALID;
  		}
  	}
  
  	if (sta_ptr)
  		hostap_handle_sta_release(sta_ptr);
  
  	return 0;
  }
  
  
  static int prism2_ioctl_set_encryption(local_info_t *local,
  				       struct prism2_hostapd_param *param,
  				       int param_len)
  {
  	int ret = 0;
  	struct ieee80211_crypto_ops *ops;
  	struct ieee80211_crypt_data **crypt;
  	void *sta_ptr;
  
  	param->u.crypt.err = 0;
  	param->u.crypt.alg[HOSTAP_CRYPT_ALG_NAME_LEN - 1] = '\0';
  
  	if (param_len !=
  	    (int) ((char *) param->u.crypt.key - (char *) param) +
  	    param->u.crypt.key_len)
  		return -EINVAL;
  
  	if (param->sta_addr[0] == 0xff && param->sta_addr[1] == 0xff &&
  	    param->sta_addr[2] == 0xff && param->sta_addr[3] == 0xff &&
  	    param->sta_addr[4] == 0xff && param->sta_addr[5] == 0xff) {
  		if (param->u.crypt.idx >= WEP_KEYS)
  			return -EINVAL;
  		sta_ptr = NULL;
  		crypt = &local->crypt[param->u.crypt.idx];
  	} else {
  		if (param->u.crypt.idx)
  			return -EINVAL;
  		sta_ptr = ap_crypt_get_ptrs(
  			local->ap, param->sta_addr,
  			(param->u.crypt.flags & HOSTAP_CRYPT_FLAG_PERMANENT),
  			&crypt);
  
  		if (sta_ptr == NULL) {
  			param->u.crypt.err = HOSTAP_CRYPT_ERR_UNKNOWN_ADDR;
  			return -EINVAL;
  		}
  	}
  
  	if (strcmp(param->u.crypt.alg, "none") == 0) {
  		if (crypt)
  			prism2_crypt_delayed_deinit(local, crypt);
  		goto done;
  	}
  
  	ops = ieee80211_get_crypto_ops(param->u.crypt.alg);
  	if (ops == NULL && strcmp(param->u.crypt.alg, "WEP") == 0) {
  		request_module("ieee80211_crypt_wep");
  		ops = ieee80211_get_crypto_ops(param->u.crypt.alg);
  	} else if (ops == NULL && strcmp(param->u.crypt.alg, "TKIP") == 0) {
  		request_module("ieee80211_crypt_tkip");
  		ops = ieee80211_get_crypto_ops(param->u.crypt.alg);
  	} else if (ops == NULL && strcmp(param->u.crypt.alg, "CCMP") == 0) {
  		request_module("ieee80211_crypt_ccmp");
  		ops = ieee80211_get_crypto_ops(param->u.crypt.alg);
  	}
  	if (ops == NULL) {
  		printk(KERN_DEBUG "%s: unknown crypto alg '%s'\n",
  		       local->dev->name, param->u.crypt.alg);
  		param->u.crypt.err = HOSTAP_CRYPT_ERR_UNKNOWN_ALG;
  		ret = -EINVAL;
  		goto done;
  	}
  
  	/* station based encryption and other than WEP algorithms require
  	 * host-based encryption, so force them on automatically */
  	local->host_decrypt = local->host_encrypt = 1;
  
  	if (*crypt == NULL || (*crypt)->ops != ops) {
  		struct ieee80211_crypt_data *new_crypt;
  
  		prism2_crypt_delayed_deinit(local, crypt);
  
  		new_crypt = kzalloc(sizeof(struct ieee80211_crypt_data),
  				GFP_KERNEL);
  		if (new_crypt == NULL) {
  			ret = -ENOMEM;
  			goto done;
  		}
  		new_crypt->ops = ops;
  		new_crypt->priv = new_crypt->ops->init(param->u.crypt.idx);
  		if (new_crypt->priv == NULL) {
  			kfree(new_crypt);
  			param->u.crypt.err =
  				HOSTAP_CRYPT_ERR_CRYPT_INIT_FAILED;
  			ret = -EINVAL;
  			goto done;
  		}
  
  		*crypt = new_crypt;
  	}
  
  	if ((!(param->u.crypt.flags & HOSTAP_CRYPT_FLAG_SET_TX_KEY) ||
  	     param->u.crypt.key_len > 0) && (*crypt)->ops->set_key &&
  	    (*crypt)->ops->set_key(param->u.crypt.key,
  				   param->u.crypt.key_len, param->u.crypt.seq,
  				   (*crypt)->priv) < 0) {
  		printk(KERN_DEBUG "%s: key setting failed\n",
  		       local->dev->name);
  		param->u.crypt.err = HOSTAP_CRYPT_ERR_KEY_SET_FAILED;
  		ret = -EINVAL;
  		goto done;
  	}
  
  	if (param->u.crypt.flags & HOSTAP_CRYPT_FLAG_SET_TX_KEY) {
  		if (!sta_ptr)
  			local->tx_keyidx = param->u.crypt.idx;
  		else if (param->u.crypt.idx) {
  			printk(KERN_DEBUG "%s: TX key idx setting failed\n",
  			       local->dev->name);
  			param->u.crypt.err =
  				HOSTAP_CRYPT_ERR_TX_KEY_SET_FAILED;
  			ret = -EINVAL;
  			goto done;
  		}
  	}
  
   done:
  	if (sta_ptr)
  		hostap_handle_sta_release(sta_ptr);
  
  	/* Do not reset port0 if card is in Managed mode since resetting will
  	 * generate new IEEE 802.11 authentication which may end up in looping
  	 * with IEEE 802.1X. Prism2 documentation seem to require port reset
  	 * after WEP configuration. However, keys are apparently changed at
  	 * least in Managed mode. */
  	if (ret == 0 &&
  	    (hostap_set_encryption(local) ||
  	     (local->iw_mode != IW_MODE_INFRA &&
  	      local->func->reset_port(local->dev)))) {
  		param->u.crypt.err = HOSTAP_CRYPT_ERR_CARD_CONF_FAILED;
  		return -EINVAL;
  	}
  
  	return ret;
  }
  
  
  static int prism2_ioctl_get_encryption(local_info_t *local,
  				       struct prism2_hostapd_param *param,
  				       int param_len)
  {
  	struct ieee80211_crypt_data **crypt;
  	void *sta_ptr;
  	int max_key_len;
  
  	param->u.crypt.err = 0;
  
  	max_key_len = param_len -
  		(int) ((char *) param->u.crypt.key - (char *) param);
  	if (max_key_len < 0)
  		return -EINVAL;
  
  	if (param->sta_addr[0] == 0xff && param->sta_addr[1] == 0xff &&
  	    param->sta_addr[2] == 0xff && param->sta_addr[3] == 0xff &&
  	    param->sta_addr[4] == 0xff && param->sta_addr[5] == 0xff) {
  		sta_ptr = NULL;
  		if (param->u.crypt.idx >= WEP_KEYS)
  			param->u.crypt.idx = local->tx_keyidx;
  		crypt = &local->crypt[param->u.crypt.idx];
  	} else {
  		param->u.crypt.idx = 0;
  		sta_ptr = ap_crypt_get_ptrs(local->ap, param->sta_addr, 0,
  					    &crypt);
  
  		if (sta_ptr == NULL) {
  			param->u.crypt.err = HOSTAP_CRYPT_ERR_UNKNOWN_ADDR;
  			return -EINVAL;
  		}
  	}
  
  	if (*crypt == NULL || (*crypt)->ops == NULL) {
  		memcpy(param->u.crypt.alg, "none", 5);
  		param->u.crypt.key_len = 0;
  		param->u.crypt.idx = 0xff;
  	} else {
  		strncpy(param->u.crypt.alg, (*crypt)->ops->name,
  			HOSTAP_CRYPT_ALG_NAME_LEN);
  		param->u.crypt.key_len = 0;
  
  		memset(param->u.crypt.seq, 0, 8);
  		if ((*crypt)->ops->get_key) {
  			param->u.crypt.key_len =
  				(*crypt)->ops->get_key(param->u.crypt.key,
  						       max_key_len,
  						       param->u.crypt.seq,
  						       (*crypt)->priv);
  		}
  	}
  
  	if (sta_ptr)
  		hostap_handle_sta_release(sta_ptr);
  
  	return 0;
  }
  
  
  static int prism2_ioctl_get_rid(local_info_t *local,
  				struct prism2_hostapd_param *param,
  				int param_len)
  {
  	int max_len, res;
  
  	max_len = param_len - PRISM2_HOSTAPD_RID_HDR_LEN;
  	if (max_len < 0)
  		return -EINVAL;
  
  	res = local->func->get_rid(local->dev, param->u.rid.rid,
  				   param->u.rid.data, param->u.rid.len, 0);
  	if (res >= 0) {
  		param->u.rid.len = res;
  		return 0;
  	}
  
  	return res;
  }
  
  
  static int prism2_ioctl_set_rid(local_info_t *local,
  				struct prism2_hostapd_param *param,
  				int param_len)
  {
  	int max_len;
  
  	max_len = param_len - PRISM2_HOSTAPD_RID_HDR_LEN;
  	if (max_len < 0 || max_len < param->u.rid.len)
  		return -EINVAL;
  
  	return local->func->set_rid(local->dev, param->u.rid.rid,
  				    param->u.rid.data, param->u.rid.len);
  }
  
  
  static int prism2_ioctl_set_assoc_ap_addr(local_info_t *local,
  					  struct prism2_hostapd_param *param,
  					  int param_len)
  {
  	printk(KERN_DEBUG "%ssta: associated as client with AP " MACSTR "\n",
  	       local->dev->name, MAC2STR(param->sta_addr));
  	memcpy(local->assoc_ap_addr, param->sta_addr, ETH_ALEN);
  	return 0;
  }
  
  
  static int prism2_ioctl_siwgenie(struct net_device *dev,
  				 struct iw_request_info *info,
  				 struct iw_point *data, char *extra)
  {
  	return prism2_set_genericelement(dev, extra, data->length);
  }
  
  
  static int prism2_ioctl_giwgenie(struct net_device *dev,
  				 struct iw_request_info *info,
  				 struct iw_point *data, char *extra)
  {
  	struct hostap_interface *iface = dev->priv;
  	local_info_t *local = iface->local;
  	int len = local->generic_elem_len - 2;
  
  	if (len <= 0 || local->generic_elem == NULL) {
  		data->length = 0;
  		return 0;
  	}
  
  	if (data->length < len)
  		return -E2BIG;
  
  	data->length = len;
  	memcpy(extra, local->generic_elem + 2, len);
  
  	return 0;
  }
  
  
  static int prism2_ioctl_set_generic_element(local_info_t *local,
  					    struct prism2_hostapd_param *param,
  					    int param_len)
  {
  	int max_len, len;
  
  	len = param->u.generic_elem.len;
  	max_len = param_len - PRISM2_HOSTAPD_GENERIC_ELEMENT_HDR_LEN;
  	if (max_len < 0 || max_len < len)
  		return -EINVAL;
  
  	return prism2_set_genericelement(local->dev,
  					 param->u.generic_elem.data, len);
  }
  
  
  static int prism2_ioctl_siwmlme(struct net_device *dev,
  				struct iw_request_info *info,
  				struct iw_point *data, char *extra)
  {
  	struct hostap_interface *iface = dev->priv;
  	local_info_t *local = iface->local;
  	struct iw_mlme *mlme = (struct iw_mlme *) extra;
  	u16 reason;
  
  	reason = cpu_to_le16(mlme->reason_code);
  
  	switch (mlme->cmd) {
  	case IW_MLME_DEAUTH:
  		return prism2_sta_send_mgmt(local, mlme->addr.sa_data,
  					    IEEE80211_STYPE_DEAUTH,
  					    (u8 *) &reason, 2);
  	case IW_MLME_DISASSOC:
  		return prism2_sta_send_mgmt(local, mlme->addr.sa_data,
  					    IEEE80211_STYPE_DISASSOC,
  					    (u8 *) &reason, 2);
  	default:
  		return -EOPNOTSUPP;
  	}
  }
  
  
  static int prism2_ioctl_mlme(local_info_t *local,
  			     struct prism2_hostapd_param *param)
  {
  	u16 reason;
  
  	reason = cpu_to_le16(param->u.mlme.reason_code);
  	switch (param->u.mlme.cmd) {
  	case MLME_STA_DEAUTH:
  		return prism2_sta_send_mgmt(local, param->sta_addr,
  					    IEEE80211_STYPE_DEAUTH,
  					    (u8 *) &reason, 2);
  	case MLME_STA_DISASSOC:
  		return prism2_sta_send_mgmt(local, param->sta_addr,
  					    IEEE80211_STYPE_DISASSOC,
  					    (u8 *) &reason, 2);
  	default:
  		return -EOPNOTSUPP;
  	}
  }
  
  
  static int prism2_ioctl_scan_req(local_info_t *local,
  				 struct prism2_hostapd_param *param)
  {
  #ifndef PRISM2_NO_STATION_MODES
  	if ((local->iw_mode != IW_MODE_INFRA &&
  	     local->iw_mode != IW_MODE_ADHOC) ||
  	    (local->sta_fw_ver < PRISM2_FW_VER(1,3,1)))
  		return -EOPNOTSUPP;
  
  	if (!local->dev_enabled)
  		return -ENETDOWN;
  
  	return prism2_request_hostscan(local->dev, param->u.scan_req.ssid,
  				       param->u.scan_req.ssid_len);
  #else /* PRISM2_NO_STATION_MODES */
  	return -EOPNOTSUPP;
  #endif /* PRISM2_NO_STATION_MODES */
  }
  
  
  static int prism2_ioctl_priv_hostapd(local_info_t *local, struct iw_point *p)
  {
  	struct prism2_hostapd_param *param;
  	int ret = 0;
  	int ap_ioctl = 0;
  
  	if (p->length < sizeof(struct prism2_hostapd_param) ||
  	    p->length > PRISM2_HOSTAPD_MAX_BUF_SIZE || !p->pointer)
  		return -EINVAL;
  
  	param = kmalloc(p->length, GFP_KERNEL);
  	if (param == NULL)
  		return -ENOMEM;
  
  	if (copy_from_user(param, p->pointer, p->length)) {
  		ret = -EFAULT;
  		goto out;
  	}
  
  	switch (param->cmd) {
  	case PRISM2_SET_ENCRYPTION:
  		ret = prism2_ioctl_set_encryption(local, param, p->length);
  		break;
  	case PRISM2_GET_ENCRYPTION:
  		ret = prism2_ioctl_get_encryption(local, param, p->length);
  		break;
  	case PRISM2_HOSTAPD_GET_RID:
  		ret = prism2_ioctl_get_rid(local, param, p->length);
  		break;
  	case PRISM2_HOSTAPD_SET_RID:
  		ret = prism2_ioctl_set_rid(local, param, p->length);
  		break;
  	case PRISM2_HOSTAPD_SET_ASSOC_AP_ADDR:
  		ret = prism2_ioctl_set_assoc_ap_addr(local, param, p->length);
  		break;
  	case PRISM2_HOSTAPD_SET_GENERIC_ELEMENT:
  		ret = prism2_ioctl_set_generic_element(local, param,
  						       p->length);
  		break;
  	case PRISM2_HOSTAPD_MLME:
  		ret = prism2_ioctl_mlme(local, param);
  		break;
  	case PRISM2_HOSTAPD_SCAN_REQ:
  		ret = prism2_ioctl_scan_req(local, param);
  		break;
  	default:
  		ret = prism2_hostapd(local->ap, param);
  		ap_ioctl = 1;
  		break;
  	}
  
  	if (ret == 1 || !ap_ioctl) {
  		if (copy_to_user(p->pointer, param, p->length)) {
  			ret = -EFAULT;
  			goto out;
  		} else if (ap_ioctl)
  			ret = 0;
  	}
  
   out:
  	kfree(param);
  	return ret;
  }
  
  
  static void prism2_get_drvinfo(struct net_device *dev,
  			       struct ethtool_drvinfo *info)
  {
  	struct hostap_interface *iface;
  	local_info_t *local;
  
  	iface = netdev_priv(dev);
  	local = iface->local;
  
  	strncpy(info->driver, "hostap", sizeof(info->driver) - 1);
  	strncpy(info->version, PRISM2_VERSION,
  		sizeof(info->version) - 1);
  	snprintf(info->fw_version, sizeof(info->fw_version) - 1,
  		 "%d.%d.%d", (local->sta_fw_ver >> 16) & 0xff,
  		 (local->sta_fw_ver >> 8) & 0xff,
  		 local->sta_fw_ver & 0xff);
  }
  
  const struct ethtool_ops prism2_ethtool_ops = {
  	.get_drvinfo = prism2_get_drvinfo
  };
  
  
  /* Structures to export the Wireless Handlers */
  
  static const iw_handler prism2_handler[] =
  {
  	(iw_handler) NULL,				/* SIOCSIWCOMMIT */
  	(iw_handler) prism2_get_name,			/* SIOCGIWNAME */
  	(iw_handler) NULL,				/* SIOCSIWNWID */
  	(iw_handler) NULL,				/* SIOCGIWNWID */
  	(iw_handler) prism2_ioctl_siwfreq,		/* SIOCSIWFREQ */
  	(iw_handler) prism2_ioctl_giwfreq,		/* SIOCGIWFREQ */
  	(iw_handler) prism2_ioctl_siwmode,		/* SIOCSIWMODE */
  	(iw_handler) prism2_ioctl_giwmode,		/* SIOCGIWMODE */
  	(iw_handler) prism2_ioctl_siwsens,		/* SIOCSIWSENS */
  	(iw_handler) prism2_ioctl_giwsens,		/* SIOCGIWSENS */
  	(iw_handler) NULL /* not used */,		/* SIOCSIWRANGE */
  	(iw_handler) prism2_ioctl_giwrange,		/* SIOCGIWRANGE */
  	(iw_handler) NULL /* not used */,		/* SIOCSIWPRIV */
  	(iw_handler) NULL /* kernel code */,		/* SIOCGIWPRIV */
  	(iw_handler) NULL /* not used */,		/* SIOCSIWSTATS */
  	(iw_handler) NULL /* kernel code */,		/* SIOCGIWSTATS */
  	iw_handler_set_spy,				/* SIOCSIWSPY */
  	iw_handler_get_spy,				/* SIOCGIWSPY */
  	iw_handler_set_thrspy,				/* SIOCSIWTHRSPY */
  	iw_handler_get_thrspy,				/* SIOCGIWTHRSPY */
  	(iw_handler) prism2_ioctl_siwap,		/* SIOCSIWAP */
  	(iw_handler) prism2_ioctl_giwap,		/* SIOCGIWAP */
  	(iw_handler) prism2_ioctl_siwmlme,		/* SIOCSIWMLME */
  	(iw_handler) prism2_ioctl_giwaplist,		/* SIOCGIWAPLIST */
  	(iw_handler) prism2_ioctl_siwscan,		/* SIOCSIWSCAN */
  	(iw_handler) prism2_ioctl_giwscan,		/* SIOCGIWSCAN */
  	(iw_handler) prism2_ioctl_siwessid,		/* SIOCSIWESSID */
  	(iw_handler) prism2_ioctl_giwessid,		/* SIOCGIWESSID */
  	(iw_handler) prism2_ioctl_siwnickn,		/* SIOCSIWNICKN */
  	(iw_handler) prism2_ioctl_giwnickn,		/* SIOCGIWNICKN */
  	(iw_handler) NULL,				/* -- hole -- */
  	(iw_handler) NULL,				/* -- hole -- */
  	(iw_handler) prism2_ioctl_siwrate,		/* SIOCSIWRATE */
  	(iw_handler) prism2_ioctl_giwrate,		/* SIOCGIWRATE */
  	(iw_handler) prism2_ioctl_siwrts,		/* SIOCSIWRTS */
  	(iw_handler) prism2_ioctl_giwrts,		/* SIOCGIWRTS */
  	(iw_handler) prism2_ioctl_siwfrag,		/* SIOCSIWFRAG */
  	(iw_handler) prism2_ioctl_giwfrag,		/* SIOCGIWFRAG */
  	(iw_handler) prism2_ioctl_siwtxpow,		/* SIOCSIWTXPOW */
  	(iw_handler) prism2_ioctl_giwtxpow,		/* SIOCGIWTXPOW */
  	(iw_handler) prism2_ioctl_siwretry,		/* SIOCSIWRETRY */
  	(iw_handler) prism2_ioctl_giwretry,		/* SIOCGIWRETRY */
  	(iw_handler) prism2_ioctl_siwencode,		/* SIOCSIWENCODE */
  	(iw_handler) prism2_ioctl_giwencode,		/* SIOCGIWENCODE */
  	(iw_handler) prism2_ioctl_siwpower,		/* SIOCSIWPOWER */
  	(iw_handler) prism2_ioctl_giwpower,		/* SIOCGIWPOWER */
  	(iw_handler) NULL,				/* -- hole -- */
  	(iw_handler) NULL,				/* -- hole -- */
  	(iw_handler) prism2_ioctl_siwgenie,		/* SIOCSIWGENIE */
  	(iw_handler) prism2_ioctl_giwgenie,		/* SIOCGIWGENIE */
  	(iw_handler) prism2_ioctl_siwauth,		/* SIOCSIWAUTH */
  	(iw_handler) prism2_ioctl_giwauth,		/* SIOCGIWAUTH */
  	(iw_handler) prism2_ioctl_siwencodeext,		/* SIOCSIWENCODEEXT */
  	(iw_handler) prism2_ioctl_giwencodeext,		/* SIOCGIWENCODEEXT */
  	(iw_handler) NULL,				/* SIOCSIWPMKSA */
  	(iw_handler) NULL,				/* -- hole -- */
  };
  
  static const iw_handler prism2_private_handler[] =
  {							/* SIOCIWFIRSTPRIV + */
  	(iw_handler) prism2_ioctl_priv_prism2_param,	/* 0 */
  	(iw_handler) prism2_ioctl_priv_get_prism2_param, /* 1 */
  	(iw_handler) prism2_ioctl_priv_writemif,	/* 2 */
  	(iw_handler) prism2_ioctl_priv_readmif,		/* 3 */
  };
  
  const struct iw_handler_def hostap_iw_handler_def =
  {
  	.num_standard	= sizeof(prism2_handler) / sizeof(iw_handler),
  	.num_private	= sizeof(prism2_private_handler) / sizeof(iw_handler),
  	.num_private_args = sizeof(prism2_priv) / sizeof(struct iw_priv_args),
  	.standard	= (iw_handler *) prism2_handler,
  	.private	= (iw_handler *) prism2_private_handler,
  	.private_args	= (struct iw_priv_args *) prism2_priv,
  	.get_wireless_stats = hostap_get_wireless_stats,
  };
  
  
  int hostap_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
  {
  	struct iwreq *wrq = (struct iwreq *) ifr;
  	struct hostap_interface *iface;
  	local_info_t *local;
  	int ret = 0;
  
  	iface = netdev_priv(dev);
  	local = iface->local;
  
  	switch (cmd) {
  		/* Private ioctls (iwpriv) that have not yet been converted
  		 * into new wireless extensions API */
  
  	case PRISM2_IOCTL_INQUIRE:
  		if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
  		else ret = prism2_ioctl_priv_inquire(dev, (int *) wrq->u.name);
  		break;
  
  	case PRISM2_IOCTL_MONITOR:
  		if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
  		else ret = prism2_ioctl_priv_monitor(dev, (int *) wrq->u.name);
  		break;
  
  	case PRISM2_IOCTL_RESET:
  		if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
  		else ret = prism2_ioctl_priv_reset(dev, (int *) wrq->u.name);
  		break;
  
  	case PRISM2_IOCTL_WDS_ADD:
  		if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
  		else ret = prism2_wds_add(local, wrq->u.ap_addr.sa_data, 1);
  		break;
  
  	case PRISM2_IOCTL_WDS_DEL:
  		if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
  		else ret = prism2_wds_del(local, wrq->u.ap_addr.sa_data, 1, 0);
  		break;
  
  	case PRISM2_IOCTL_SET_RID_WORD:
  		if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
  		else ret = prism2_ioctl_priv_set_rid_word(dev,
  							  (int *) wrq->u.name);
  		break;
  
  #ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT
  	case PRISM2_IOCTL_MACCMD:
  		if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
  		else ret = ap_mac_cmd_ioctl(local, (int *) wrq->u.name);
  		break;
  
  	case PRISM2_IOCTL_ADDMAC:
  		if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
  		else ret = ap_control_add_mac(&local->ap->mac_restrictions,
  					      wrq->u.ap_addr.sa_data);
  		break;
  	case PRISM2_IOCTL_DELMAC:
  		if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
  		else ret = ap_control_del_mac(&local->ap->mac_restrictions,
  					      wrq->u.ap_addr.sa_data);
  		break;
  	case PRISM2_IOCTL_KICKMAC:
  		if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
  		else ret = ap_control_kick_mac(local->ap, local->dev,
  					       wrq->u.ap_addr.sa_data);
  		break;
  #endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */
  
  
  		/* Private ioctls that are not used with iwpriv;
  		 * in SIOCDEVPRIVATE range */
  
  #ifdef PRISM2_DOWNLOAD_SUPPORT
  	case PRISM2_IOCTL_DOWNLOAD:
  		if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
  		else ret = prism2_ioctl_priv_download(local, &wrq->u.data);
  		break;
  #endif /* PRISM2_DOWNLOAD_SUPPORT */
  
  	case PRISM2_IOCTL_HOSTAPD:
  		if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
  		else ret = prism2_ioctl_priv_hostapd(local, &wrq->u.data);
  		break;
  
  	default:
  		ret = -EOPNOTSUPP;
  		break;
  	}
  
  	return ret;
  }
  